taut  
adjective uk/tɔːt/ us/tɑːt/
  (TIGHT)      
  拉紧的,绷紧的
tight or completely stretched
  a taut rope 拉紧的绳子 
 He kept his eyes on the road ahead, his face taut with concentration. 他眼睛盯着前方的道路,神情专注,脸紧绷着。 
 Compare: slack adjective (NOT TIGHT)
   (EXCITED/NERVOUS)      
  literary紧张的;兴奋的 
excited or nervous
  His latest film was described as a taut thriller. 他的最新一部电影被归为惊悚片。 
 There was a taut edge to Chris's voice. 克里斯的声音中透着紧张。 
   (WRITING/SPEECH)      
 literary(文章、讲话)简洁的,明快的 
Taut writing or speech is controlled, clear, and short.
  taut prose 结构严谨的散文