名詞 tense:

1. a grammatical category of verbs used to express distinctions of time

動詞 tense:

1. become stretched or tense or taught
   同義詞：strain
2. increase the tension on
3. become tense, nervous, or uneasy
   同義詞：tense up
4. cause to be tense and uneasy or nervous or anxious
   同義詞：strain, tense up

形容詞 tense:

1. in or of a state of physical or nervous tension
2. pronounced with relatively tense tongue muscles (e.g., the vowel sound in `beat')
3. taut or rigid; stretched tight

1. Most English verbs are inflected with `-ed' in the past tense.
   英語大多數動詞過去式詞尾均變化為-ed的形式。
2. Try to act naturally, even if you're tense.
   即使緊張也不要做作。
3. The verb is in the present tense.
   這個動詞使用的是現在時態(tài)。
4. It is difficult to be natural when one is tense.
   人在緊張的時候很難泰然自若。