Keep watch on yourself, lest you too be tempted.

又当自己小心，恐怕也被引诱。

Attention: All vessels within VTS area shall keep watch on VHF CH 09.

注意：所有在VTS管理区域内的船舶应在VHF 09频道保持守听。

Jean Valjean could glide along close to the houses on the dark side, and yet keep watch on the light side.

冉阿让可以隐在阴暗的一边，顺着房屋和墙壁朝前走，同时窥伺着明亮的一面。

That makes it hard to keep watch on spending and identify the contractors receiving the money, according to the report.

据报告显示，这使得资金监察以及确认承包商收到资金的工作更加艰巨。

Agents determining that Kuwaiti was living there used aerial surveillance to keep watch on the compound which consisted of a three-story main house a guesthouse and a few outbuildings.

断定Kuwaiti就居住在此的特工们使用空中侦察来监视这座由三层的主房，一座客房和一些外屋组成的院子。