to
prep.
（表示方向）经，向
He pointed to the clock.
他指着那个钟。
（表示目标）到…去
Give the book to him.
把这本书给他。
The mayor intended to get to the bottom of the matter.
市长打算将此事寻根究底。
（表示程度）达到
This will relieve pressure on the trains to some extent.
这将会在一定程度上减轻对火车的压力。
The bus service has been cut to the bone.
公共汽车服务已经削减到了最低限度。
（表示状态）趋于，倾向
She sang the baby to sleep.
她给孩子唱歌唱到孩子睡着。
（表示结果）导致
They feared that the mummy would fall to pieces when they cut it open.
他们担心在剖开时木乃伊会变成碎片。
Bring the soup to the boil.
请把汤煮沸。
Wait until the lights change to green.
等到绿灯亮了再走。
贴着
cheek to cheek
脸贴脸
对着
face to face
面对面
He wouldn't dare say rude things about her to her face.
他不敢当面对她出言不逊。
从…到
count from 10 to 20
从10数到20
She works from two o'clock to ten o'clock.
她从两点钟工作到10点。
给予
I want a present to give to my wife.
我要送我妻子一件礼物。
（表示拥有关系）归于，属于
the key to the lock
这把锁的钥匙
与…相比，比
The score was 9 to 5.
得分是九比五。
（表示数量与单位的关系）
There are 100 pence to every pound.
1英镑有100便士。
对…表示敬意
drink to sb.'s health
为某人的健康干杯
（指时间）在…之前；直到…为止
5 to 4
差五分四点
To date we have received more than five hundred applications.
到此时为止,我们已经收到了五百多份申请书。
The committe have never heard the whole story to this day.
至今委员会还从未听到整个事情的始末。
（表示相对的位置）在
to the north of England
在英格兰的北方
The village lies to the east of the woods.
村庄位于树林的东面。
对于；关于
What's your answer to that?
你对那件事的答案是什么？
(a number) to (a number)
（一个数目）到（一个数目）；（数目）和（数目）之间；比较；比例
in 10 to 12 feet of water
水深10到12英尺
It's 100 to 1 he'll lose.
他百分之百会输。
- 词性变化
adv.
醒过来
He didn't come to for half an hour after he'd hit his head.
他撞伤头后过了半小时才醒过来。
关上，关闭
The wind blew the door to.
风把门给吹关上了。
柯林斯
百科