221. 你最好别站在我前面。

　　You had better not stand in front of me.

　　222. 刚才我听见有人敲门。

　　I heard someone knock at the door just now.

　　223. 条条大路通罗马。  All roads lead to Rome.

　　224. 打开窗户让新鲜空气进来。

　　Open the window to let fresh air in.

　　225. 他把水放了。  He let out the water.

　　226. 我们过去以蔬菜和米饭为主食。

　　We used to live on vegetables and rice.

　　227. 我们有必要展望未来。

　　It’s necessary for us to look ahead.

　　228. 他根本看不起别人。

　　He doesn’t look down upon others at all.

　　229. 我们忙于调查此事。

　　We are busy looking into the matter.

　　230. 我刚才看见他在找东西。

　　I saw him looking for something just now.
 

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