| 释义 |
〔search〕Used by a speaker to indicate that he or she does not have an answer to a question just asked.我可不知道：说话者用来暗示（她或他）不能解答刚才被问的问题〔each〕Each and every driver knows (not know ) what his or her (not their ) job is to be. See Usage Note at every ,he 1每一位驾驶员都清楚（不是 know ) 她或他的工作 （不是 their ） 是什么 参见 every,he1 |