at a loss for what to do ,at a loss what to do都可以吗?

at a loss for what to do ,at a loss what to do都可以吗? at a loss what to do She is at a loss whether going out with While I was at a loss what to do, I am at a loss what to do 中what to do 做什么成分 Visitors may be at a loss as to what to do in a foreign envi I’m completely at a loss the know what to do next,what shoul many people are at a loss as to what to do in case of an ear I'm at a loss as to what to do and feel lost 英语翻译I am still at a loss whether to believe it & what to do 英语翻译Facing risks,human beings are not at a loss what to do.M 1.The woman was at a loss what to do as she was frightened b 1.I was at a loss,___ (puzzle) about what to do next.