at once,in no time,right now,right away
這四個(gè)短語?？苫Q,只是說話角度上有細(xì)微區(qū)別.
1.at once等于now,without delay.如：
Do it at once.立刻就做.Come here at once!馬上就來!
at once 也有“at the same time,together”的意思.如：
Don’t all speak at once!不要全體同時(shí)說話!
注意：all at once=suddenly
2)in no time
very quickly；very soon很快地；不久
With a pair of scissors,she can turn out a beautiful design in no time．用一把剪刀,她可以立即剪出一個(gè)美麗的花樣來.
Take this medicine,and it will cure you in no time．吃了這種藥,你的病馬上就會(huì)好的.
They finished the work in no time at all．他們立刻完成了這項(xiàng)工作.
3.right now指at this moment,right away指毫不猶豫或毫不耽誤的“立即”.如：
If you get the address,let me know right away.你看到地址,請(qǐng)立即告訴我.
Shall we begin right now?我們現(xiàn)在就開始嗎?
(4)
at once 1.立刻,馬上;同時(shí)；是一個(gè)副詞短語