D-11：drag one's feet 拖拖拉拉
A:How's Bob coming along on his dissertation plan?
A:鲍勃的论文计划怎么样了？
B:He's really been dragging his feet.
B:他太拖拖拉拉了。
A:Why is he behaving like this?
A:他为什么这样呢？
B:He doesn't like it very much.
B：他不太喜欢他的论文。
