在when somebody makes mistakes,we should not laugh at him这一句里为什么用介词at 呢

在when somebody makes mistakes,we should not laugh at him这一句里为什么用介词at 呢 When I Need Somebody 歌词 when everybody's somebody then nobody's ` when i say somebody ..and you say .. 开头是when you love somebody,need somebody!男生唱的~开头是when you love somebody,need somebody!男生唱的~前奏是钢琴. 英语翻译在 use somebody这首歌中 开头是when you love somebody ,miss somebody 的英文歌 很有节奏感 的 是什么歌 when the seller makes the order confirmation When you love somebody,you can not see their faults. 翻译：when might somebody wish to do this? He says “Please” when he asks somebody to help.是不是要改for?有没有 ask somebody to 这个说法？ makes What makes you want to make friends with somebody?And what would you do to cherish this relationsh 哪首歌的第一句歌词是have you ever loved somebody so much it makes you cry? Have you ever loved somebody so much It makes you cryHave you ever needed something so bad love is what makes you smile when you're tired.. It makes us warm when the day is cold. Practice makes perfect. When we learn English如何解释