bù不notcí辞say goodbyeér而andbié别depart
To leave without saying goodbye; to take French leave.
Literal meaning
not (不) — say goodbye (辞) — and (而) — depart (别)
Origin
A classical four-character phrase describing a departure without formal farewell.
Examples
Tā他yī一shēng声bù不kēng吭de地bù不cí辞ér而bié别le了。
He left without a word, without saying goodbye.
Wǒ我bù不xǐ喜huan欢bù不cí辞ér而bié别de的rén人。
I don't like people who leave without saying goodbye.
Usage & nuances
Often implies a sudden or unexpected departure, sometimes with negative connotations.
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