I am at a loss for ouraffection什么意思啊..

I am at a loss for ouraffection什么意思啊.. I am qnite at a loss what to I am sorry for your loss. 英语题there are five pairs to choose from ,but i am at a loss which to buythere are five pairs______,but i'm at a loss which to buy.choose from 为什么不能选for choosing there are five pairs to choose from ,but i am at a loss which to buythere are five pairs______,but i'm at a loss which to buy.choose from 为什么不能选for choosing 英语 at a loss 与 at loss原来一直认为是有 at loss 这个短语 如 I `m at loss which to buy.可高考总复习上关于loss的归纳上却出现了 at a loss,如 I am at a loss what to do.和上面一样的结构 .两者等同么?没把 There are five pairs________,but I am at a loss which to buy.A to be chosen B to choose from C to choose D for choosing there are five pairs __________There are five pairs __________,but I am at a loss which to buy.可以填for choosing吗,为什么?choose from. 当我不会语塞的时候就不隐身可以这么翻译吗：no hidden until i am never at a loss for the word 求正解 at a loss for a while I am at a loss what to do 中what to do 做什么成分 who can it be i am quite at a loss to guess. i'm at a complete loss.i'm looking for some sugar. I'm really at a loss! I am at.loss about .部分应该填什么啊 I do not know what I can do about it.I am completely at a loss 翻译一下这句话 英语翻译I am so sorry for your loss.take care. at a loss for what to do ,at a loss what to do都可以吗?