She brushed a lock of hair off his forehead.

她拂开他额头的一绺头发。

《柯林斯英汉双解大词典》

John brushed a lock of hair from his eyes.

约翰撩开眼前的一绺头发。

《牛津词典》

It's important to put a lock washer on that last nut, or it can work loose.

重要的是要在最后一个螺母上安装一个防松垫圈，否则它会逐渐变松。

《柯林斯英汉双解大词典》

Toyota says it found a software problem that could briefly affect the "feel" of the anti-lock brakes on rough or slippery roads.

VOA: special.2010.02.05

It's a bit more-- to continue with the metaphor of the on-of switch-- as though not only is the switch turned to off, there's a lock on the switch.

要继续用开关的比喻-,就有点奇怪了-,似乎开关的上面，还有一个锁定装置。

耶鲁公开课 - 死亡课程节选

The Exubera inhaler is a near-lock to be a sales blockbuster.

FORBES: The Impossible Made Possible

Before the steroid issue, Clemens was a first-ballot lock with a record of 354-184, an unprecedented seven Cy Young Awards and 4, 672 strikeouts, second all-time to Nolan Ryan.

FORBES: Verdict Is Sealed On Clemens' Baseball Fate

The key was not to try to dig a Suez-type of canal, a great sea-level trench from ocean to ocean, but to create a lock-and-lake canal, where the ships are lifted up by a series of locks to a man-made lake, and then they sail across that lake, and then they are set back down on the other side by another series of locks.

FORBES: Fact and Comment