widokowa 用英语:

I'm on the lookout for a good introductory book about the Internet.

He denied that he had failed to keep a proper lookout during the night.

Keep a lookout and watch for my signal.

You'd better keep a lookout.

Remain on the lookout.

The soldier kept a sharp lookout in the darkness.

I think that it likely that there was a major fault in the lookout.

The soldiers in the outposts are continually on the look-out, ready to push back enemy attacks.