他们玩得很高兴。

They have a good time.

Source: Tatoeba

Sentence Composition

1 他们 tāmen they; them
=2 玩 wán
  1. to play
  2. to have fun
  3. to trifle with
  4. toy
  5. sth used for amusement
  6. curio or antique (Taiwan pr. wàn)
  7. to keep sth for entertainment
=2 玩 wán
  1. variant of 玩 wán
  2. Taiwan pr. wàn
3 得很 dehěn (after an adjective) very
4 高兴 gāoxìng
  1. happy
  2. glad
  3. willing (to do sth)
  4. in a cheerful mood