you should help him
你应该帮助他
以上为机器翻译结果，长、整句建议使用 人工翻译 。
You should help him since you have promised to do so.
你答应了帮助他就应当帮助他。
youdao
Sue： Maybe you should help him rewrite this song during class……
苏： 或许你应该在上课时帮他重新写这首歌……
He has treated you badly; still, he is your brother and you should help him.
他待你很不好，但他终归是你的兄弟，你应该帮助他。
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