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- I am at a loss respecting his whereabouts. 关于他的下落，我一无所知。
- I am at a loss to understand those remarks. 我不理解那些话
- No, I am at a loss for the size. 没有，我找不到合适的尺寸。
- I am at a loss to remember his name. 我一下子记不起他的名字。
- I was at a loss respecting his whereabouts. 至于他的踪迹,我全然不知。
- I was at a loss to give response to his challenge. 我不知该对他的挑战做出什么反应。
- I was at a loss about what to do, how to organize. 当时我对于如何组织毫无头绪。
- I was at a loss when he asked me such a question. 他问我如此问题时,我不知该如何回答。
- Even if I am looking at you languidly, you are at a loss. 我就是倦怠地看着你，你也不知所措。
- I am at a loss for terms adequate to the expression of my gratitude. 我没有适当的言辞来表达我的感谢。
- I was at a loss how to overcome a world of troubles. 我不知道如何来克服这许多困难。
- We and I are enduring, are at a loss, are truly alive. 我和我们都隐忍着，都无奈着，都真实地活着。
- We were in a hurry to go somewhere to do some work. I was at a loss. 我感到困惑:我们正赶去某处做某些工作,我不知怎么办。
- These troubles came along all at the same time that I was at a loss. 这些麻烦突然一起发生, 使我不知所措。
- I am always at a loss to know how much to believe of my own stories. 我老是在困惑，对自己写的那些故事究应相信到什么程度。
- I am not, I think, quite so much at a loss. 我想，我并不是这样一筹莫展。
- I am never at a loss for a word. 我总是滔滔不绝。
- I'm sorry I'm late; I was at a meeting and couldn't get away. 对不起，我来晚了。刚才我在开会，不能脱身。
- One day I am in stray,I am at a lose. 某一天我处在彷徨之中，我不知所措。
- I am always at a loss to know how much to believe of my own story. 我老是困惑，对自己的那些故事究应相信到什么程度。
