当即的英文：
1.at once; right away; off hand; immediately

参考例句：

Wilson accepted her good wishes, but with customary agility rejected out of hand her demand for an election.
威尔逊对她的良好祝愿表示感谢，并以他平素的敏捷当即反驳了她的大选要求。

The poor girl was dismissed instantly.
这个可怜的姑娘被当即解雇。

He pulled the trigger and the bottle was shot to pieces.
他扣动扳机，瓶子当即被打得粉碎。

She was instantly embarrassed and could feel her face heating up.
她当即感到很窘，只觉得脸上一阵发热。

Four hands then quickly carried me upstairs.
当即就有四只手抓住我，把我拖上楼去。

The boss was so angry over Ned's mistake that he fired him on the spot.
老板对于内德的失误极为恼火，当即就把他解雇了。

She instantly felt that she was the greatest simpleton in the world, the most unaccountable and absurd!
她当即感到她是世界上最大的笨蛋，真是荒唐至极，不可思议。

Well, Jabez told his family it was a lawyer, come to see him about a legacy.
杰贝兹当即告诉妻小，说来者是位律师，是为了一笔遗产的事来看他的。

As the cry was repeated several times, she ran to tell the manager who promptly rang up the fire brigade.
由于这种喊叫声重复了几次，她跑去报告了经理，经理当即给消防队挂了电话

once是什么意思：
adv. 一次，一回；一度；曾经
conj. 一旦；一…就…
n. 一次；一回

Once is no custom
一次不成例

Do it for this once.
就干这一次吧。

Gordon is at once modest and clever.(at once …and…既..又)
戈登既聪明又谦逊

away是什么意思：
adv. 在远处；离开，远离；消失

to kick away; to spurn away
一脚踢开

to die away; to fade away; to vanish; to elapse; to wear away
消逝

She barked the boy away.
她把那男孩喝走了。

off是什么意思：
adv. 掉，下；离开；隔开；切断；停止；；休息；光，完，尽；全部地
prep. 从...离开；从...向下；在...的外面；偏离...；从...分岔；不再从事...；低于...
adj. 关着的；停止流通的；延期的；取消的；不工作的；处于...境况的；萧条的
v.（用于祈使句）走开，滚开；站开
n. 关掉

Is the water on or off?
自来水龙头开着还是关着？

The gilt is off.
幻想破灭了。

to nip off; to cut off; to break
掐断