All at once I fell into a state of profound melancholy.

I felt afraid all at once.

我突然间感到害怕.

You can't do everything all at once.

你不能同时做每一件事.

All at once he fell into a state of profound melancholy.

他立即陷入无尽的忧思之中.

How is it possible to feel love for two men all at once?

怎么可能同时爱上两个男子 呢 ?

So many thoughts of Haas were now crowded into her mind all at once.

对哈斯的种种思念一下子涌上她的心头.

I'm all at sea with this computer manual.

我被这本电脑使用手册弄得晕头转向.

He was all at sea when he began his new job.

他开始新工作时,茫然不知所措.

I can't understand this problem. I'm all at sea.

我不懂这个问题, 我完全摸不着头脑.

I all at sea ; I've no idea how to repair cars.

我手足无措,不知道怎样修理汽车.

A: I'm all at sea about Professor Black s lectures.

在布莱克教授的讨论上我是一片茫然.

I was all at sea when the teacher asked me the question.

当老师问我问题的时候我茫然不知所措.

We are all at sea as to what to do next.

我们全然不知下一步该做什么.

I all at sea when I began to work.

我刚开始工作时,简直一头雾水!

He was all at sea when he began his new work.

他开始新工作时,简直不知如何是好.

Don't ask me. I am all at sea now.

不要问我, 我现在也不知道该做么办.

I am all at sea in the adolescent stage of my life.

刚刚成长起来的我陷入了迷茫之中.

At the time of this story they all at sea.

在这个故事发生时,它们都在海上.

What are you talking about? I am all at sea.

你们在说什么? 我一点也听不懂.

I all at sea. I can't understand that problem.

我一片茫然, 无法理解那个问题.

Don't ask me, I'm all at sea now.

别问我, 我现在无所适从.