1. have two left feet這人好像有兩隻左腳一樣，代表（跳舞時）笨手笨腳的～很不協調
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My dance partner had two left feet and kept stepping on my toes.
我的舞伴手腳很不協調，一直踩到我的腳
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2. have the world at your feet 世界都在你腳下，代表你極為成功
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He had the whole world at his feet by the time he was 30.
他 30 歲時前程似錦，且受到他人尊敬及歡迎。