不识时务
bùshíshíwùTraditional 不識時務
to be unaware of the times; not to know what's good for one
Every meaning
bùshíshíwù
- to be unaware of the times; not to know what's good for one
Its characters
Words with 不
Words with 识
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.