惴惴不安

zhuìzhuìbùān
  1. to be on tenterhooks (idiom)
  2. to be anxious and frightened

CEDICT

因恐懼耽憂而心神不定。

重編國語辭典

Entry Composition

1 惴惴 zhuìzhuì
  1. (literary, ideophonic) apprehensive and cautious; anxious and frightened
  2. apprehensive and cautious; anxious and frightened
2 不安 bùān
  1. unpeaceful
  2. unstable
  3. uneasy
  4. disturbed
  5. restless
  6. worried