汤姆不敢求助。

Tom was afraid to ask for help.

Source: Tatoeba

Sentence Composition

1 汤姆 Tāngmǔ Tom (name)
2 不敢 bùgǎn
  1. (regional) cannot; must not; should not
  2. You flatter me; I wouldn't presume; I don't deserve this (praise, reward, etc.)
  3. cannot; must not; should not
  4. to not dare (to do something)
3 求助 qiúzhù
  1. to request help
  2. to appeal (for help)