under foot

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释义
妨碍；挡道
acting as an obstacle.

例句
Dottie: What do I want someone special for? To be under foot all the time? No, thanks.(Shameless)
多迪：我还要特别的人干嘛？继续当拖油瓶吗？不用了，谢谢。（无耻之徒）