keep a watchful eye on

keep a watchful eye on 基本解释

关注,密切注视

keep a watchful eye on 用法和例句

1、We keep a watchful eye on our elderly neighbors.

我们留心照顾邻里的老人们。

2、Even though he was reading the newspaper closely, he must keep a watchful eye on his external surroundings.

尽管他在专心地看报, 他也要密切注视他的周围。

重点词汇

keep [人名] [英格兰人姓氏] 基普职业名称，受雇于城堡主楼者，来源于中世纪英语，含义是“维持，保卫”(to hold,defend)

watchful adj. 注意的，留心的；小心提防的，警戒的；<古>不眠的；惕