heads-up

• adj. 足智多谋的；思维敏捷的；警觉的
• n. 警告，警告信息

原义为危险时发出的警告，抬头，提高警惕，后引申词义预先通知。

heads-up (adj.)

"clever, alert," 1926, from warning cry "heads up!" (i.e. "look up!"). As a noun, "a notification, a warning," by 1988.

1. Monks shave their heads, as do devotees of the Hare Krishna movement.

和尚要剃度，克利须那派教徒也一样。

来自柯林斯例句

2. We were amazed, shocked, dumbfounded, shaking our heads in disbelief.

我们震惊、愕然、目瞪口呆，难以置信地摇着头。

来自柯林斯例句

3. The group's problems have led to speculation that heads will roll.

已经有人猜测，该集团的问题会导致一些人被解雇。

来自柯林斯例句

4. Some of them carried pikes with shrivelled heads on top.

他们中一些人手持枪尖上挂着皱缩人头的长矛。

来自柯林斯例句

5. I am just thankful that we have a roof over our heads.

我们有地方住我就很感激了。

来自柯林斯例句