B) To keep a watchful eye on those employees who perform poorly.

B）密切关注那些表现不佳的员工。

Sudanese refugees in Egypt, like El Hadi, keep a watchful eye on events back in Sudan.

和哈迪一样，在埃及的苏丹难民也在密切关注苏丹国内发生的事件。

The islands that have already been hit are keeping a watchful eye on another storm, Hurricane Jose.

已经遭遇侵袭的岛屿正在密切关注另一场风暴——飓风“乔斯”。

Western businesses turn for advice to consultancies that keep a watchful eye on alarming developments in far-flung places.

远离西方世界的地区因政治原因导致市场发展令人担忧，顾问公司对此密切关注，西方的企业便向这些公司寻求帮助。

Thomas Jefferson keeps a watchful eye on the White House from his own memorial, built in the style of ancient Rome.

汤玛斯‧杰佛逊就在这座古罗马式建筑的纪念堂中，以警醒的双眼注视着白宫。

We keep a watchful eye on our elderly neighbors.

【eye】我们特别留心年长的邻居。

He also kept a watchful eye on Yan, ensuring his brother stayed on the right path.

他还密切关注严，确保他的兄弟走在正确的道路上。

First discovered on January 19 this year, scientists are keeping a watchful eye on the mutation to see how it develops, reports Wales Online.

据《威尔士传媒》报道，科学家们于今年 1 月 19 日首次发现这种突变，并密切关注它是如何发展的。

Sudanese refugees in Egypt, like El Hadi, keep a watchful eye on events back in Sudan. Many dream of returning home if the current leadership there changes.

艾哈迪等埃及的苏丹难民都密切关注着苏丹的国内动态。很多人都梦想着回国，如果该国目前的领导层发生变化的话。

Fru Heyerdahl kept a watchful eye on her at any rate, and took care not to let her go to the Christmas dances.

无论如何，弗鲁·海尔达尔一直注视着她， 注意不让她去参加圣诞舞会。

Signals in Morse code were firing back to London from all over the Empire, helping the government to keep a watchful eye on the Colonies and keeping British merchants ahead of the competition.

摩尔斯电码的信号从帝国各地传回伦敦，帮助政府保持对殖民地的警惕，使英国商人在竞争中处于领先地位。