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Four-character idioms of love that touch the heart: expressing deep affection in everyday words

How many four-character idioms about love do you know? Expressions like “相思相愛” (mutual love) and “依依恋恋” (lingering affection) have long captured people’s feelings of love and carry profound meanings.

The beauty of these words and the subtle shades of emotion hidden within them still resonate with us today.

In this article, we introduce commonly used four-character idioms related to romance.

You’re sure to discover words here that will richly color your own view of love.

Four-character idioms of love that resonate with the heart! Deep affection expressed in common words (1–10)

Cosmic jealousy

Cosmic jealousy

This is a four-character idiom that expresses the intensity of jealousy in love to an extreme degree.

The more deeply you care for the one you love, the more sensitive you become to others’ eyes and presence, and the stronger your desire to keep them all to yourself can grow.

Jealousy is often seen as a negative emotion, but conversely, it can be proof of how strongly you love, reflecting the humanity that lies deep within the heart.

This word sharply captures the conflicts and fluctuations born alongside the joy of love, brilliantly articulating the complexity of romance with its light and shadow.

It is a phrase that vividly portrays the fierceness of love.

Mutual love

@usedaikot

Mutual love#LoveFour-character idioms about love#MutualLoveAndRomance

♬ A Little Story – Piano Version – Penguin Piano

It’s a four-character idiom that describes a relationship in which both people genuinely care for each other and feel love with the same intensity.

Rather than a one-way affection, the reassurance that the other person cherishes you too can be seen as the greatest happiness in love.

The moments when you can sense your partner’s affection through small everyday attentiveness or a shared glance have a unique warmth that comes with mutual love.

This term applies not only to couples in a romantic relationship but also to spouses and long-term partners, symbolizing a deep bond of trust.

It is a word that expresses a form of love in which two people walk together while supporting one another.

Bond of Mandarin Ducks

Bond of Mandarin Ducks

It is a four-character idiom meaning that a man and woman are deeply bound, support each other closely, and spend their lives together—like a devoted, harmonious couple.

The mandarin duck is known for moving in pairs and is regarded as a symbol of strong bonds and unwavering affection.

The expression conveys not just friendliness, but a relationship that remains steadfast through hardships and trials, and it is often used in reference to marriage or long-term partners.

It encapsulates the ideal of romance and the pinnacle of marital love, beautifully portraying two people who mutually support one another.

Four-character idioms that resonate with the heart in love! Expressing deep affection in everyday words (11–20)

telepathy; tacit understanding (literally: ‘heart-to-heart communication’)

telepathy; tacit understanding (literally: 'heart-to-heart communication')

It’s a four-character idiom that describes a relationship where hearts connect and feelings are shared without the need for words.

In romance, there are moments when you can sense your partner’s feelings from their expressions or gestures without speaking and end up sharing the same emotion.

This reflects the trust and deep bond nurtured over a long time, and it can be seen as a symbol of a special connection.

Sometimes a single glance conveys everything, and laughing or moving in perfect sync also captures the meaning of this word.

It vividly expresses an ideal form of love in which hearts overlap, going beyond mere communication.

a human face among peach blossoms

@yoji_jukuko

translationTranslationFaces Among Peach Blossomslove (romantic love)

♬ Escort – MoppySound

This is a four-character idiom originating from a Chinese poet’s work that contrasts a beautiful woman’s face with blooming peach blossoms.

The poet recalls a woman he met on a spring day; when he returns to the same place the following year, she is gone, and only the peach blossoms bloom unchanged.

The scene is the source of the expression.

The idiom symbolizes the fleeting nature of a past romance and the ache of a love that can never be reunited, while also resonating as a phrase that conveys an unforgettable image etched in the heart.

Applied to modern love, it succinctly expresses how a brief encounter can remain an eternal memory, and how memories can resurface bound to the seasons.

It is a deeply evocative expression that holds beauty within transience.

“Hiyoku renri” — literally “two wings, one body; intertwined branches.” An idiom meaning a deeply devoted, inseparable couple (lovers united as one).

@yojijyukugo.seizan

Four-character idioms #working adult #learning #study

Original Song – Four-character Idioms/Holy Mountain – Four-character Idioms/Holy Mountain

Hiyoku depicts two birds that cannot fly alone, joining their wings and flying together; Renri portrays two trees whose branches intertwine and become one.

Both symbolize a powerful bond in which two people form a single whole, expressing an ideal relationship where lovers or spouses walk forward with one heart.

These words convey not only the sweetness of romance but also a tie that weathers hardship and the passage of time together.

Even today, they are used when speaking of marriage or eternal love, succinctly expressing the feeling that each person is irreplaceable to the other—beautiful and forceful compound words, indeed.

A brimful expanse of water

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This four-character idiom, originating from classical Chinese poetry, depicts the poignant scene of lovers gazing at each other across a river.

Just a single stream of water keeps them apart, and that nearness-yet-farness doubles the heartache.

In modern terms, it conveys “feelings that are close yet out of reach” or “a distance that seems bridgeable with an outstretched hand, yet isn’t.” It resonates with couples in long-distance relationships or those living through days of missed connections, leaving a deep impression on the heart.

Its sound seems to affirm that the power of love can transcend distance, and its allure lies in how it evokes emotions that are both delicate and strong.