汤姆老是发牢骚。

Tom complains all the time.

Source: Tatoeba

Sentence Composition

1 汤姆 Tāngmǔ Tom (name)
=2 老是 lǎoshi always
=2 老是 lǎoshì
  1. (colloquial, often derogatory) always; forever
  2. always; forever
3 发牢骚 fāláosāo
  1. to whine
  2. to be grouchy