watch的复数形式是加es，即watches。英文单词watch可作动词和名词两种形式，作为名词时，意思有手表、注意、监视、值班、守夜人；作为动词时，意思有注视、观察、照管、当心。
watch的中文意思及用法介绍1、作为动词时，意为看;注视;观看;观察;(短时间)照看，看护，照管;小心;当心;留意。
例句：He watched the house for signs of activity.
他注视着那所房子里的动静。
Watch what I do, then you try.
你注意看我的动作，然后试着做。
Could you watch my bags for me while I buy a paper?
我去买份报纸，你能替我照看一下我的包吗？
Watch your bag─there are thieves around.
小心你的提包，这里有小偷。
The man was standing in his doorway watching him...
那个男人站在门口盯着他看。
I'd stayed up late to watch the film...
我熬夜看了那场电影。
2、作为名词时，意为表;手表;(旧时的)怀表;注意;注视;监视;观察;值班(人);警戒(人);守夜(人)。
例句：She kept looking anxiously at her watch.
她焦急不安地一个劲儿看表。
The police have mounted a watch outside the hotel.
警方已在旅馆外面布置人监视。
I go on watch in an hour.
我一个小时后值班。
I had the first watch that May evening.
我第一次执行警戒任务是在那个五月的晚上。