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高三英语教案unit6 词汇讲解,http://www.2xuewang.com
When he went to work in Saudi Arabia, he had to leave his family behind.
他前往沙特阿拉伯工作时，他不得不留下他的家人。
leave sth aside 不考虑
leave alone 让。。。独自呆着
leave…at the mercy of 任由。。。摆布
leave off 停止
leave out 遗漏，漏掉
Paragraph 3:
3.The journey through the mountains and desert in the central part of the
continent was the most trying part.
通过大陆中央的山脉和沙漠的旅程是最艰难的。
●trying a.难受的；难堪的；费劲的；恼人的
a trying situation尴尬的局面；难处的境况
4. and the long walk through the sand was hard on the oxen.
●此处be hard on意为“够…受，使…难以忍受”。另外，它还可意为“磨得厉害；对…过于严厉，苛刻；紧跟等”。如：
These rough roads are hard on your shoes. 这些崎岖的道路把鞋磨得厉害。
Don’t be too hard on your little son. 不要对你的儿子过于苛刻。
When I arrived there, I found that he was hard on me.
我到那儿时，发现他紧跟在我的后面。
Work hard at 竭尽全力
She is working hard at her term paper. 她正在用心撰写学期论文。
take a hard look at 冷眼看待
We need to take a long hard look at
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