1.
one bite, one sip, one mouthful
A single bite of food or a single sip of a drink.
一口もらっていい?
Can I have a bite?
ケーキを一口食べてみた。
I tried one bite of the cake.
冷たいお茶を一口飲んで、ほっとした。
I took a sip of cold tea and felt relieved.
2.
in a word, briefly
Used to express summarizing something concisely, often in the pattern 一口に言う (to put it in a word).
一口に言えない。
I can't explain it in a word.
ラーメンと一口に言っても、種類はさまざまだ。
Even though we say 'ramen' as one word, there are many different types.
日本の文化は一口では説明できないほど奥が深い。
Japanese culture is too deep to explain in just a few words.
一口 has two main uses: as a literal quantity (one bite/sip) and as an abstract expression meaning "in a word" or "briefly."
COMMON PATTERNS:
- 一口食べる: to take one bite
- 一口飲む: to take one sip
- 一口に言う: to put it in a word
- 一口では言えない: can't explain briefly
RELATED COUNTERS:
- 二口: two bites/sips
- 一口サイズ: bite-sized