From Longman Dictionary of Contemporary Englishwatch your stepwatch your step (also mind your step British English) a) CAREFULto be careful about what you say or how you behave You’d better watch your step – he’s the boss here. b) CAREFULto be careful when you are walking Mind your step – the railing’s loose. → step
Examples from the Corpus
watch your step• You'd better watch your step if you want to keep your job.• Plus, Best foot forward, but watch your step ... aerobics can be a pain.• I had to watch my step.• Opposing players really had to watch their step...• He would have to watch his step on his return.• Some one bumped into him and sharply told him to watch his step.• Inside I was guided down a weird stairway and told at one point to watch my step carefully.• I would watch my step if I were you.• The sign outside may say Céad Míle Faíte, but inside you watch your step.watch your stepwatch your stepinformalCAREFUL to be careful, especially about making someone angry He soon saw he’d have to watch his step with some of these guys. → watchExamples from the Corpus
watch your step• I had to watch my step.• Opposing players really had to watch their step...• Some one bumped into him and sharply told him to watch his step.• The sign outside may say Céad Míle Faíte, but inside you watch your step.• Plus, Best foot forward, but watch your step ... aerobics can be a pain.• Inside I was guided down a weird stairway and told at one point to watch my step carefully.• I would watch my step if I were you.• He would have to watch his step on his return. 