你应该帮助他，他有麻烦。

You ought to help him; he is in trouble.

youdao

他待你很不好，但他终归是你的兄弟，你应该帮助他。

He has treated you badly; still, he is your brother and you should help him.

youdao

你不应该帮助他那么多。

You ought not to have given him more help.

youdao

你本来应该帮助他的。

You could have helped him.

youdao

你本来应该帮助他的。

You could have helped him.

youdao