<正> 1.train of thought 清晰的思路;连贯的想法 I have written a couple of good paragraphs when the bell rang and made me lose my train of thought. 我写了几个精彩的段落,铃响了,打断了我清晰的思路。2.off the track 离题,误入歧途 She can’t tell a story without getting off the track. 她每次讲故事都要离题。3.on the right track 方向正确 You haven’t quite got the answer yet,but you are getting close;you are on the right track. 你仍然没有完全找出答案,但离答案不远了;你的方向是对的。4.on the wrong track 走错了路,用错了方法