雷打不动
Traditional form:
雷打不動
Pinyin (reading):
léidǎbùdòng
Definitions:
- not shaken by thunder (idiom); the arrangements are unalterable
- to adhere rigidly to regulations
- will go ahead whatever happens (of an arrangement or plan)
Characters:
- 雷 - thunder; surname
- 打 - to attack, to beat, to hit, to strike
- 不 - no, not, un-; negative prefix
- 动 - to move, to happen; movement, action
Traditional characters: