唇を噛む
くちびるをかむ
expression, verb phrase
to bite one's lip (in frustration or regret)
Conjugation
| Affirmative | Negative | |
|---|---|---|
| Present | 唇を噛む | 唇を噛まない |
| Present polite | 唇を噛みます | 唇を噛みません |
| Past | 唇を噛んだ | 唇を噛まなかった |
| Past polite | 唇を噛みました | 唇を噛みませんでした |
| て form | 唇を噛んで | 唇を噛まなくて |
| ている present | 唇を噛んでいる | 唇を噛んでいない |
| ている polite | 唇を噛んでいます | 唇を噛んでいません |
| ている past | 唇を噛んでいた | 唇を噛んでいなかった |
| ている past polite | 唇を噛んでいました | 唇を噛んでいませんでした |
| Conditional ば | 唇を噛めば | 唇を噛まなければ |
| Conditional たら | 唇を噛んだら | 唇を噛まなかったら |
| Volitional | 唇を噛もう | — |
| Volitional polite | 唇を噛みましょう | — |
| Potential | 唇を噛める | 唇を噛めない |
| Passive | 唇を噛まれる | 唇を噛まれない |
| Causative | 唇を噛ませる | 唇を噛ませない |
| Imperative | 唇を噛め | 唇を噛むな |
1.
to bite one's lip; to feel frustrated; to feel deep regret
An idiomatic expression describing the feeling of frustration, vexation, or bitter regret, often when one cannot express their feelings openly or must suppress an emotional reaction.
悔しくて唇を噛んだ。
I bit my lip in frustration.
言い返せず、唇を噛むしかなかった。
Unable to talk back, I could only bite my lip.
あの時もっと頑張ればよかったと、今でも唇を噛む思いだ。
Even now I feel bitter regret, wishing I had tried harder back then.
IDIOM STRUCTURE:
唇 (lip) + を + 噛む (to bite)
The expression describes the physical action of biting one's lip as a metaphor for suppressing emotions, particularly frustration or regret.
COMMON PATTERNS:
- 悔しくて唇を噛む - bite one's lip in frustration
- 唇を噛む思い - bitter feelings of regret
- 唇を噛みしめる - to bite down hard on one's lip (intensified form)
NUANCE:
Always indicates negative emotions - frustration, regret, helplessness, or suppressed anger. Often implies the person cannot openly express their feelings or take action.
VARIATION:
唇を噛みしめる is a more intense version, suggesting even stronger suppression of emotion.
SIMILAR EXPRESSIONS:
- 歯を食いしばる - to grit one's teeth (endurance)
- 拳を握る - to clench one's fist (determination/frustration)
- 涙を呑む - to swallow one's tears (accept disappointment)
REGISTER:
Neutral. Common in both spoken and written Japanese, especially in dramatic or emotional contexts.
Related Words
Related:
歯を食いしばる (to grit one's teeth)