589　right away，at once，immediately，in a minute和at the moment

① right away表示“立刻，马上”，指毫不犹豫或毫不耽误地。

I'll ring him up right away. 我马上就给他打电话。

You'd better do it right away. 你最好马上就做那件事。

提示

right now既可以表示“现在（at this moment）”，也可以表示“立刻”。

He is not feeling well right now. 他现在感觉不好。

Let's go right now. 我们马上就去吧。

② at once相当于now，without delay。

Come downstairs at once！马上下楼来！

Do it at once. 立刻就做。

③ at once还可表示“同时，一齐”，相当于at the same time，together。

Don't ask me questions at once. 不要同时都问我问题。

④ immediately意同at once，但更强调“紧接着”。

Immediately after dinner he began to do his homework. 一吃完饭，他就开始做作业了。

He answered the question almost immediately. 他几乎立刻作了回答。

提示

immediately可用作连词，意为“一……就”。

He went home immediately he finished the work. 工作一结束他就回家了。

⑤ in a minute意为“一会儿”，相当于soon，常用于将来时中。

He will be back in a minute. 他一会儿就回来。

The party will begin in a minute. 晚会马上就要开始。

⑥ at the moment表示“此刻，现在”，相当于now。

He is reading at the moment. 他现在正在读书。

What is he doing at the moment？他此刻在干什么？