雷打不动 léidǎbùdòng steadfast Definitions Defs Origin Strokes Stroke Words Sentences Sents 2 sentences 每天阅读是他雷打不动的功课。 měi tiān yuèdú shì tā léidǎbùdòng de gōngkè. Reading every day is a routine he never breaks. Source: Dong Chinese Dictionary他是个老瘾君子，每天雷打不动要抽两包烟。 tā shì gè lǎo yǐnjūnzǐ, měi tiān léidǎbùdòng yào chōu liǎng bāo yān. He's a long-time smoker who smokes two packs a day without fail. Source: Dong Chinese Dictionary
