lookout
n. 监视；监视哨；警戒；守望者；担心的事；前景
复数 lookouts
例句
He denied that he'd failed to keep a proper lookout that night.
他否认那天晚上他未能小心警戒。
《柯林斯英汉双解大词典》
He kept a sharp lookout for any strangers.
他警惕地守望着，不放过任何一个陌生人。
《牛津词典》
If he wants to waste his money, that's his lookout.
他要乱花钱，那是他自己的事。
