Fortunately for him, he can swim.是什么意思？

Fortunately for him, he can swim.

对他来说幸运的是, 他会游泳。

fortunately

adv. 幸运地；

例句
The rain fortunately held off till after the school sports day.
幸亏雨直到学校运动会开过了才下.

for

prep. 为，为了，倾向于，关于，当作；conj. 因为，由于；

例句
I've come looking for a bit of advice.
我特来讨教。

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。

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。

can

aux. 能够，可以，有机会；n. 金属罐，一听，金属容器；vt. 将…装罐保存，炒…鱿

例句
When I listen to her play I can hear a new Nigel Kennedy.
从她的演奏中我听出了新一代的奈杰尔·肯尼迪。

swim

v. 游泳，游动，旋转，眩晕；n. 游泳；

例句
There'll be ample opportunity to relax, swim and soak up some sun...
将会有充足的机会去放松、游泳和晒太阳。