高三look英语知识点

70. live by, live on

live by表示“靠„„(手段)谋生”。

Writers live by their pens while fishermen live by fishing. live on表示“以„„为主食，靠„„过活”。 The sheep lived on grass. 71. 与look有关的词组辨析 look after表示“照料”。

My neighbour looked after my cat while I was on holiday. look back表示“回想，记起”。

From this time on, he never looked back. look down on/upon表示“轻视，看不起”。

look英语知识点Women were looked down upon in many countries years ago. look forward to表示“盼望，期待”。

I’m looking forward to seeing you this winter vacation. look out表示“注意”。

Look out, there’s a car coming. look up表示“查找”。

If you do not understand it, you can look it up in this dictionary.

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