be on the watch中文什么意思

留神着, 戒备着

• watch:    n. 1.表；船钟。 2.值夜，值班 ...
• a watch:    具体事物; 一个手表
• be on watch:    在值班

例句与用法

更多例句：  下一页

1. The police warned people to be on the watch for intruders .
   警方预先通知大家防备有外人闯入。
2. The police warned people to be on the watch for intruders
   警方预先通知大家防备有外人闯入
3. Be on the watch for a sudden change in the patient ' s condition
   要密切注意病人病情可能突然变化。
4. Experts were on the watch for another large shock there
   为此，科学家一直严密监视这个区域可能发生的下一次大地震。
5. Be on the watch against
   不断监视为防范