[动不动 / 動不動, dòng bu dòng, ㄉㄨㄥˋ ㄅㄨ˙ ㄉㄨㄥˋ]apt to happen (usually of sth undesirable); frequently; happening easily (e.g. accident or illness)#16758[Add to Longdo]
[不动声色 / 不動聲色, bù dòng shēng sè, ㄅㄨˋ ㄉㄨㄥˋ ㄕㄥ ㄙㄜˋ]maintain one's composure; stay calm and collected; not turn a hair; not bat an eyelid#21029[Add to Longdo]
[雷打不动 / 雷打不動, léi dǎ bù dòng, ㄌㄟˊ ㄉㄚˇ ㄅㄨˋ ㄉㄨㄥˋ]not shaken by thunder (成语 saw);the arrangements are unalterable; to adhere rigidly to regulations; will go ahead whatever happens (of an arrangement or plan)#47489[Add to Longdo]