I've lost my key.

Two key witnesses at her trial committed perjury.

在对她的庭审中有两名主要证人犯了伪证罪.

She would keep any sensitive documents under lock and key.

她总是把任何机密文件都锁得好好的.

This piece changes key many times.

这首曲子有多处变调.

He cried that he had found the key.

他大声地叫喊找到了钥匙.

He threw the key at me.

他把钥匙丢给我.

I must have left my key in the ignition.

我肯定是把车钥匙忘在点火开关上了.

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲击的部件，它能使钢琴发出乐音。

To make doubly sure they would not be disturbed she turned the key in the lock.

她用钥匙开门,进一步确保不会打扰他们.

Please press enter key when you see the main menu on the screen.

屏幕上出现主菜单时请按回车键.

There's no safety for anyone until he is under lock and key.

他不坐牢,人无宁日.

Inserting the key in the lock, he turned it and pulled the door open.

他把钥匙插进锁里转了一下,拉开了门.

Key burbled about the wonderful people who contribute to tourism.

基喋喋不休地谈论着那些对旅游业作出贡献的了不起的人物。

A key task is to get pupils to perceive for themselves the relationship between success and effort.

关键任务是让学生们自己认识到成功和努力之间的关系。

Gooch last night pointed to their bowling as the key to World Cup success.

古奇昨晚指出，他们的投球是在世界杯上取得成功的关键。

Give me the trunk key and I'll get the spare.

把行李箱的钥匙给我,我去拿一下备胎.

You will find a key at the front of the book.

你会在书的前面找到略语表。

He started with a good holiday in Key West, Florida.

他先去佛罗里达的基韦斯特岛度了个愉快的假期。

At these conventions, executives fraternized with the key personnel of other banks.

在这些集会上，主管们和其他银行的重要人员友善往来。

He proved overconfident on the witness stand, misremembering a key piece of evidence.

他在证人席上表现得过于自信，记错了一条重要的证据。

He unlocked her door and handed her back the key.

他给她打开门锁，并把钥匙交还给她。