緊繃 [紧绷]

Jyutping gan2 bang1
Pinyin jǐn bēng

Definitions (CC-CEDICT)
  1. to stretch taut
  2. (of muscles etc) taut
  3. strained
  4. tense
Definitions (Wiktionary)
  1. verb
    to be uptight; to have overly controlled facial expressions; nervous and uneasy
  2. verb
    to be tightly bound; to be tied up forcefully
  3. verb
    to be stressed; under pressure