慢性子

mànxìngzi
  1. slow-tempered
  2. phlegmatic
  3. a slowcoach

CEDICT

  1. phlegmatic; slow-tempered
  2. slowcoach; slowpoke

Wiktionary

  1. 性情迟缓。
  2. 性情迟缓的人。

重編國語辭典

Entry Composition

1 慢性 mànxìng
  1. slow and patient
  2. chronic (disease)
  3. slow to take effect (e.g. a slow poison)
2 子 zi noun suffix, as in 椅子 yǐzi "chair"