drag one's feet 拖拖拉拉
    【講解】
    動詞drag本義為“拖,拉”，drag one’s feet指某人“拖著腳走路”，后引申為“拖拖拉拉， 行動遲緩”。
    【對話】
    A:How's Bob coming along on his dissertation plan?
    A:鮑勃的論文計劃怎么樣了？
    B:He's really been dragging his feet.
    B:他太拖拖拉拉了。
    A:Why is he behaving like this?
    A:他為什么這樣呢？
    B:He doesn't like it very much.
    B：他不太喜歡他的論文。