词汇精选：ascertain的用法和辨析

一、详细释义：

v.

弄清，确定，探知，查明

例句：

I am going to ascertain the truth.

我将弄清事实真象。

例句：

Can you ascertain who he is?

你能否查明他是何许人？

二、词义辨析：

discover,find,detect,ascertain

这些动词均有“发现”之意。discover普通用词，指发现本来存在，但示被认识的事物、真理或情况。find普通用词，可指偶然发现，也可指经过寻找后得到或重新获得已失去的东西。强调动作的结果。detect正式用词，强调经过周密观察或研究而有所获得和发现，尤指发现有意隐藏之物。 ascertain较正式用词，指有意搜寻与发现。

三、参考例句：

We must ascertain the public's wishes.

我们必须探查大众的希望。

I am going to ascertain the truth.

我将弄清事实真象。

Can you ascertain who he is?

你能否查明他是何许人？

I ascertain that he was murdered.

我确定他是被谋杀的。

They are doing everything possible to ascertain his whereabouts.

他们正在尽力调查他的下落。

We must ascertain the responsibility in light of different situtations.

我们必须根据不同情况判定责任。

The police are trying to ascertain what really happened.

警方正试图查明究竟发生了什么事。

Would you please go and ascertain whether the train stops at the town?

请您查明火车是否在这个镇停，好吗？

It has been difficult to ascertain the correct source of origin.

要查实材料的正确起源很困难。

It is difficult to ascertain the tilt of plate and to segment the Characters in image.

图像中牌照的方位确定、字符分割遇到困难。