常見例句She's a difficult person to pin down. 她這人行事、說話沒個準兒。You must pin down every quotation to its author. 你一定要確定每一個引文的作者是誰。He's a difficult man to pin down. 他是個不易就范的人。He refused to be pinned down on the question. 他拒絕對這個問題明確表態(tài)。She' s a difficult person to pin down. 她這人行事、 說話沒個準兒.Jeff is a difficult person to pin down. 杰夫這個人說話辦事沒個準兒。 返回 pin-down