be on the watch的意思|示意
（对。。。）留神着， （对。。。）戒备着
be on the watch相关例句
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.
互联网
Be on the watch for thieves in this crowd.
提防人群中有小偷.
辞典例句
Be on the watch for a sudden change in the patient's condition.
要密切注重病人病情可能忽然变化.
互联网
Environmentalists will be on the watch for damage to wildlife.
环境保护主义者将会密切关注对野生动物造成的伤害。
柯林斯例句
The police warned holidaymakers to be on the watch for car thieves.
警方提醒度假者提防偷车贼.
《简明英汉词典》
Be on the watch for sudden change in the patient's condition.
要密切注意病人病情可能突然变化.
互联网