| 词汇 | call upon |
| 释义 | Phr V call upon calls, calling, called call on/upon sb to do sth formal to officially ask someone to do somethingusually passiveThe army is in a state of readiness in case it should be called upon to launch an offensive. call on/upon sth formal to use something, especially a quality that you have, in order to achieve somethingShe would have to call on all her strength if she was to survive the next few months. ! Call upon is more formal than call on and is mostly used in writing1. call on/upon sb to do sth to formally and publicly ask someone to do something: Russia called on NATO to end the bombing of Serbia. The conference passed a resolution calling on Western governments to cut pollution levels. I call upon the persons here present to witness the marriage of Sarah and James.2. call on/upon sth/sb to use something or someone's help in order to achieve what you want: Our staff are able to call on the latest technology to help them in their work. The team has many other talented players whose skills it can call on. ► see call on call upon (someone)1. To choose, request, obligate, order, or demand someone to do something. Yesterday the president called upon world leaders everywhere to promote open and fair trade between countries. He was called upon to give testimony in court. 2. To visit someone. I went to the East Coast last week to call upon my aunt. call uponv. 1. To order or require someone to do something: I call upon you to tell the truth. 2. To make a demand or a series of demands on something: Social institutions are often called upon to assist the poor. 3. To visit someone: I called upon an old friend when I was in New York. 4. To make use of some resource; draw on something: I knew the task would call upon my every resource. |
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