麻烦你一下
máfan nǐ yí xià
Could I bother you for a moment?
别麻烦他
bié máfan tā
Don't bother him
这个问题很麻烦
zhè ge wèntí hěn máfan
This problem is troublesome
太麻烦了
tài máfan le
Too inconvenient/annoying