It would be a close thing.

这或许是桩千钧一发的事。

That final football match was a close thing.

那场足球决赛勉强获胜。

What a close thing that was! The enemies nearly not him.

多么侥幸的事啊！敌人差点把他抓住了！

There were six troopers and six of us, so it was a close thing, but we emptied four of their saddles at the first volley.

那个运输队有六名护送的骑兵，我们也是六个人，可以说是势均力敌，不过我们一开枪就把四个骑兵打下马来。