- 一举一动 yìjǔyídòng every move(idiom) every movement; one's every action; a person's behavior or conduct
- 一动不动 yīdòngbùdòng motionlessnot to move even a little bit; keeping the body or an object absolutely still
- 灵机一动 língjīyīdòng bright idea(idiom) to hit upon an inspiration; to suddenly have a brainwave or a clever idea
- 一动不如一静 yīdòngbùrúyījìng inaction is better than actionSuggested when it is better to maintain the status quo than to make a change that might cause trouble; it is better to avoid starting something new than to risk complications, similar to [[多一事不如少一事|多一事不如少一事|duo1 yi1 shi4 bu4 ru2 shao3 yi1 shi4]].
- 一言一动 yīyányīdòng every word and deed(idiom) every word and every movement; a person's behavior and conduct