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1·When your friends do sth wrong , you always help them and never give them up .

当朋友做错事的时候，总是互相帮助，从不放弃他们．。

2·It's wrong of sb to do STH.

对某人来说做某事是错的。

3·One's biggest worry is that the other may do STH. (else) for the same wrong reason that one did STH.

某人最大的担心，是另一人也许跟自己当初做某事一样，为了错误的原因而做某事(另一事)。