ascertain

discover, find, detect, ascertain

这些动词均有“发现”之意。
discover: 指发现本来已经存在，后被人认识的事物、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。

动词 ascertain:

1. establish after a calculation, investigation, experiment, survey, or study
   同义词：determine, find, find out
2. be careful or certain to do something; make certain of something
   同义词：see, check, insure, see to it, ensure, control, assure
3. find out, learn, or determine with certainty, usually by making an inquiry or other effort
   同义词：determine, check, find out, see, watch, learn
4. learn or discover with certainty

1. Steamer report seriously damaged now ascertain particulars however our interest fully protected transmit to London
   据说轮船严重受损，详情正在调查之中，但我方利益已完全保住，请电告伦敦公司。
2. As soon as the purchase is made, and the price ascertain, I will inform you at what they will be invoiced.
   当我们查明何时有货，价格多少时，将立即通知贵公司，以什么价格可以成交。
3. I ascertain that he was murdered.
   我确定他是被谋杀的。
4. The detective was trying to ascertain exactly who was at the party.
   这个侦探试图查明都有谁参加了聚会。