until

[ən'til]

prep.直到 ... 的时候, 在...以前
conj.直到 ... 时候才 ..., 在...之前, 直到...的程度

例句与用法：

She was a bank clerk until the war, when she trained as a nurse.

她战前是个银行职员，战时受训当了护士。

He lived in California until he was twenty.

他在加里弗尼亚一直住到20岁。

I didn't wake up until I heard the alarm clock.

直到听到闹钟的铃声我才醒来。

词形变化：

动词过去式: untied | 动词过去分词: untied | 动词现在分词: untying | 动词第三人称单数: unties |

详细释义：

prep.

1. 直到……时, 到……为止

Will this fish keep until tomorrow?

这鱼能搁到明天吗?

2. (用于否定句)在……之前, 直到……(才)

She didn't go to bed until eleven o'clock.

她直到十一点才上床睡觉。

conj.

1. 直到……时, 到……为止

He worked in Hong Kong until his father found him a job in Canada.

在他父亲给他在加拿大找到差事前, 他一直在香港工作。

2. (用于否定句)在……以前, 直到……才

She didn't go to bed until her daughter came back.

她一直等到女儿回来才去睡觉。