All are keeping a sharp look-out in front, but none suspects that the danger may be creeping up from behind.

所有的人都密切地注视着前面，但没有人怀疑危险可能正从后面悄悄逼近。

youdao

We should keep a sharp look-out for their disruptive activities.

我们要严防他们的破坏活动。

youdao

James gave him a sharp look, but the architect appeared unconscious.

詹姆士狠狠看他一眼，可是建筑师好象全不觉得。

youdao

"And I just take this, a good sharp whittling knife like this and cut away everything that does not look like a guitar."

VOA: standard.2010.07.06

Imamura Shohei's occasionally raw story of an ex-con gradually returning to the fold of humanity is a sharp look at contemporary Japan.

CNN: OT ONLY DID HONG

Aware of the dangers, pilots keep a sharp look-out for other craft.

ECONOMIST: Africa��s unfriendly skies

In addition to the new Creative Mode, the J2 will sport a metallic camera body and Mode Dial giving the camera a sharp look and comfortable feel in hand.

ENGADGET: Nikon 1 J2 mirrorless camera: minor control tweaks, $549, ships in September