ascertain

英 [ˌæsəˈteɪn]

美 [ˌæsərˈteɪn]

v.  查明; 弄清

过去分词：ascertained　现在分词：ascertaining　过去式：ascertained　第三人称单数：ascertains　

CET6考研TOEFLIELTSTEM8法律

Collins.1 / BNC.5989 / COCA.9571

牛津词典

verb

• 查明；弄清
  to find out the true or correct information about sth
  1. It can be difficult to ascertain the facts.
     可能难以查明事实真相。
  2. I ascertained that the driver was not badly hurt.
     我已查清，驾驶员伤势不重。
  3. It should be ascertained that the plans comply with the law.
     须要弄清楚，这些计划要合法。
  4. The police are trying to ascertain what really happened.
     警方正设法查清到底发生了什么。
  5. Could you ascertain whether she will be coming to the meeting?
     请你弄清楚她来不来开会好吗？
  6. It must be ascertained if the land is still owned by the government.
     必须确定这块土地是否仍属于政府所有。

柯林斯词典

• VERB （尤指经过努力后）查明，弄清，确定
  If youascertainthe truth about something, you find out what it is, especially by making a deliberate effort to do so.
  1. Through doing this, the teacher will be able to ascertain the extent to which the child understands what he is reading...
     这样一来，老师就能确定孩子们对他所读的内容理解多少了。
  2. Once they had ascertained that he was not a spy, they agreed to release him...
     一旦确认他并非间谍，他们即同意将他释放。
  3. Take time to ascertain what services your bank is providing, and at what cost.
     花些时间确认一下你的银行会提供什么样的服务，费用是多少。

英英释义

verb

• be careful or certain to do something
  1. He verified that the valves were closed
  2. See that the curtains are closed
  3. control the quality of the product
  Synonym:seecheckinsuresee to itensurecontrolassure
• learn or discover with certainty
• establish after a calculation, investigation, experiment, survey, or study
  1. find the product of two numbers
  2. The physicist who found the elusive particle won the Nobel Prize
  Synonym:determinefindfind out
• find out, learn, or determine with certainty, usually by making an inquiry or other effort
  1. I want to see whether she speaks French
  2. See whether it works
  3. find out if he speaks Russian
  4. Check whether the train leaves on time
  Synonym:determinecheckfind outseewatchlearn

双语例句

• Can you ascertain if there's proloid in his system?
  可否确定他血液中有药物？
• It's difficult to ascertain the coal deposits.
  煤储量很难探明。
• I want to ascertain what time the train arrives, so that I may get to the station in time to meet my friend.
  我查清火车到达的时间，以便我准时到火车站去接我的朋友。
• I hope you will ascertain the extent of the damage.
  我希望你去确认损坏的程度。
• I am simply trying to ascertain the facts of the case.
  我只是想查清这件案子的事实真相。
• The coating manufacturer shall be consulted to ascertain the proper cure time and methods.
  需要咨询喷涂厂家确定适当的固化时间和方法。
• We took these allegations very seriously and we immediately launched a full investigation to ascertain the facts.
  我们非常重视，立即启动了一项全面调查来查明事实。
• Can you ascertain who he is?
  你能否查明他是何许人？
• Once they had ascertained that he was not a spy, they agreed to release him
  一旦确认他并非间谍，他们即同意将他释放。
• You should also ascertain early on what risk measures are used to gauge this performance.
  你也必须早早确定用何种风险评估系统来衡量投资业绩。