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　　for once

　　英：

　　美：

　　常见释义：

　　仅此一次

　　1、This time I thought Id organise myself

　　for once

　　in my life and I got a very good seat right in the middle of a row in the stalls.───我想这次我该让自己在人生当中有一次发愤图强的作为，而且我取得了位于整排摊位中间的一个极佳的好位置。

　　2、The Zeta concur,

　　for once

　　, with official pronouncements. This was just a fireball, releasing gas, and thus the spin.───齐塔人这一次赞同官方的声明。这仅仅是个正在释放气体的火球，因此具有旋转的感觉。

　　3、She was unable,

　　for once

　　, to control and manipulate events.───她曾一度无法控制和操纵事件。

　　4、For once hed been able to talk to his team and find what they were up to, read his e-mails properly and even had a new idea.───他第一次有机会和他的团队交谈，了解他们下一步的打算，认真地读电子邮件，甚至还想出了一个新主意。

　　5、For once, she was glad she had not installed the car alarm or else she would have had to stay with the car or come back.───这一次，她感到颇为得意，因为她没有装汽车报警装置，否则她得守在车边或者要赶回来。

　　6、Just

　　for once

　　he arrived on time.───只有这一次他按时到了。

　　7、If two or more highways go the same section of the way, the length of the section is only calculated

　　for once

　　and no duplication is allowed.───两条或多条公路共同经由同一路段，只计算一次，不得重复计算里程长度。

　　8、He tried to speak, but

　　for once

　　, his voice had left him.───他试图说话，但这一次，他已说不出声。

　　9、Thelma: You said you and me was gonna get out of town and

　　for once

　　really let our hair down.───你说你我要到城外去，这一次真的放。

　　1、for only once───只有一次

　　2、was once───曾经

　　3、once once more───再来一次

　　4、just for once───只这一次；即使一次也好

　　5、once and for all───最终地；彻底地；一劳永逸地；彻底地；最后一次

　　6、a once───一次

　　7、once───conj.一旦；adv.一次；曾经；n.一次，一回

　　8、once for all───adv.只此一次；彻底地；一劳永逸地；只此一次

　　9、once just once───一次就一次

　　at once立刻,一般用在句尾或者主语后动词前，都可以。比如：She guessed the right answer at once.她立刻猜出了正确的答案。