look的用法
用作不及物動詞，意為“看，望，瞧”。
1、單獨使用時，后不跟介詞。如：
I looked but saw nothing.我看了，但什么也沒看見。
Look！ Here comes the bus.瞧！汽車來了。
Look before you leap.三思而后行。
2、和at連用。如：
The teacher is looking seriously at us.老師正嚴肅地看著我們。
Look at these pictures. How beautiful they are！看這些畫，它們是多么漂亮�。�
3、和其它某些介詞或副詞連用：
�。�1）look after 照看，照料。如：He is old enough to look after himself.他年齡足夠大，能照看自己。
�。�2）look for 尋找。如：I looked for you just now， but I didn’t find you.剛才我到處找你，但沒有找到。
（3）look around 四下環(huán)顧;到處尋找。如：He looked around but he saw nobody.他四下環(huán)顧，但什么人也沒看到。
�。�4）look back on回想，回顧。如：They often look back on the days they spent together.他們�；仡櫵麄冊谝黄鸲冗^的日子。
（5）look down on看不起。
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