on the watch for meaning in Chinese
不断监视看有没有……
Examples
- 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。 - 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 - 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。 - The customs inspector was on the watch for diamond smugglers
海关检查员正密切注视着钻石走私犯的活动。 - 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。