为止的英文：
until

参考例句：

Free offer is subject availability
限量赠送,送完为止

Cook the lentils until they are mushy.
把扁豆烧到呈烂糊状为止。

The smileage from winning the lottery shall last until the money is gone.
中了大奖的喜悦会持续到钱花光为止。

Police cordoned off the area until the bomb was defused.
警方封锁了这个区域直至拆除炸弹的引信为止.

Police cordon off the area until the bomb is defuse.
警方封锁了这个区域直至拆除炸弹的引信为止。

"By the end of last term , we had learnt about seven hundred English words . "
到上学期末为止,我们已经学了大约七百个英语单词。

Mary often picked on Linda until Linda decided fight hex.
玛丽经常给琳达使坏，直到琳达决定和她打架为止。

A ban on the recreational use of snowmobiles was being phased in until the Bush administration canceled it.
禁用娱乐性摩托雪橇的禁令也在逐步实施，直到布什政府将其取消为止。

The iterative process may be continued until some criterion for convergence is met
这种迭代步骤可继续下去，直到符合某种收敛要求为止。

sussex remained Lieutenant of Ireland till 1566.
到1566年为止，塞克斯伯爵一直担任着爱尔兰总督之职。

until是什么意思：
conj. 在…以前，直到…时
prep. 在…以前，到…为止

The class will not be over until seventeen.
这堂课要到下午五点才能结束。

to wait until; to remain
留待

Fry until the fish flakes.
把鱼煎成薄片。

Cook the lentils until they are mushy.
把扁豆烧到呈烂糊状为止。

Whip the cream until thick.
搅打奶油直到它变黏稠。