call on
英 [kɔːl ɒn]
美 [kɔːl ɑːn]
呼吁，号召；要求；（短暂）拜访，探访；看望
例句
The job was to call on all her diplomatic skills and moral courage.
这项工作需要她发挥全部的外交才能和捍卫正义的勇气。
Please give him a message that I won‘t call on him tomorrow.
请你替我过话儿，就说我明天不去找他了。
There was a call for moderation on the part of the trade unions.
有人呼吁工会保持克制。
