1HBIa very small insect without wings that jumps and bites animals and people to eat their blood 跳蚤
Are you sure the dog has fleas?
你确定那只狗身上有跳蚤吗?
2.send somebody off with a flea in their earBritish EnglishBrEANGRY to talk angrily to someone, especially because they have done something you disapprove of 〔尤指因某人做了你不赞成的事而〕一顿臭骂轰走某人