信不过

信不過
xìnbùguò
  1. to distrust
  2. to be suspicious

CEDICT

Entry Composition

1 信 xìn
  1. letter
  2. mail
  3. to trust
  4. to believe
  5. to profess faith in
  6. truthful
  7. confidence
  8. trust
  9. at will
  10. at random

classifier: 封
2 不过 bùguò
  1. only
  2. merely
  3. no more than
  4. but
  5. however
  6. anyway (to get back to a previous topic)
  7. cannot be more (after adjectival)

Related entries

疑惑 yíhuò
  1. to doubt
  2. to distrust
  3. unconvincing
  4. to puzzle over
  5. misgivings
  6. suspicions
我很疑惑为什么天气变冷的时候我会觉得很孤单。

I wonder why I feel so lonely when it gets cold.

Source: Tatoeba

心存怀疑 xīncúnhuáiyí to be suspicious