动词 tense up:

1. become tense, nervous, or uneasy

2. cause to be tense and uneasy or nervous or anxious

tenseadj.紧张的；绷紧的；拉紧的v.拉紧；使紧绷n.(动词)时态tensegrity cable domes张拉整体索穹顶结构tense piano strings.绷紧的钢琴弦。tense shoulders/hands肌肉紧绷的肩膀/双手tense and aspect category时体范畴Tense-shearing structure张扭构造Tense and relax alternatively一张一弛tense part of tympanic membrane紧张部Tenses and Temporal Circumstance Elements时态与时间环境成分

1. She's never tensed up before an examination.
   考试之前她从不紧张。
2. Emily was all chewed up about the interview.
   埃米莉对这次会见感到非常紧张。