Unit 134.I should have known better.

134.我当时应该放聪明一点才是。

A: This milk has gone bad. You can't leave milk sitting out; you've got to put it in the refrigerator.

甲：这牛奶已坏了。你不能把牛奶放在外面，必须把它放在冰箱内才行。

B: You're right.I should have known better.

乙：你说的是。我当时若知道这么做就好了。

类似用语

It's too late now.现在已太迟了。

百宝箱

上列对话中，“The milk has gone bad．”相当于“The milk has spoiled．”，注意词组“go bad”相当于动词spoil，表示“（食物）腐坏”。

The meat has spoiled．
（这肉已腐坏了。）