紧握

緊握
jǐnwò
to hold firmly, not let go

CEDICT

to hold tight; to clench

Wiktionary

Entry Composition

1 紧 jǐn
  1. tight
  2. strict
  3. close at hand
  4. near
  5. urgent
  6. tense
  7. hard up
  8. short of money
  9. to tighten
2 握 wò
  1. to hold; to grasp
  2. to clench (one's fist)
  3. (bound form) to have in one's control
  4. classifier: a handful