We have lost sight of him since he went abroad.是什么意思？

We have lost sight of him since he went abroad.

在他出国以后, 我们就失掉了联系。

we

pron. 我们，咱们，笔者，本人，朕，人们；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

have

aux. 用以构成完成式及完成式的不定式，表示已经…；vt. 有，具有，拿，取得，从事，必须，不得不；n. 〈口〉有产者，有钱人，富国，〈英俚〉欺骗，诈骗；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

lost

adj. 失去的，迷路的，不知所措的；v. 遗失，失去（ lose的过去式和过去分词），（使）失去（所需要的东西，尤指钱），（因事故、年老、死亡等）损失，浪费；

例句
She still ached for the lost intimacy and sexual contact of marriage...
她仍旧渴望拥有婚姻中逝去的那份缱绻和肌肤之亲。

sight

n. 视力，看见，视野，景象；vt. 看见，发现，瞄准，观察，调准瞄准器；vi. （用仪器）瞄准，观察；

例句
There are places you can take physically handicapped children where staff don't blanch at the sight of a wheelchair.
有些地方你能带残疾儿童去，那里的工作人员不会一看到轮椅就退缩。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

since

prep. 从…以来，自从…之后，自从；adv. 以后，此后，后来，（距今几年）以前，（从那时候起几年）以前；conj. 自从…以来，自从…的时候起，既然，因为；

例句
Janet had been abused by her father since she was eleven.
珍妮特从11岁起就遭受父亲虐待。

he

pron. 他，它，一个人；n. 雄性动物；

例句
Logic had prevailed and he had abandoned the idea.
最终理智占了上风，他打消了那个念头。

went

v. 进行( go的过去式 )，去，进展；

例句
I went round the streets and found his new abode.
我走街串巷找到了他的新住所。

abroad

adv. 到国外，在海外，广为流传地；adj. 往国外的；n. 海外，异国；

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。