Require performance of an obligation
[经] 要求履行义务
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
an
[æn]
art. 一（在元音字母前代替不定代词a）;一任一某一;一个;
🗣️ 情景例句
The minister has indicated that he may resign next year.
该大臣已经示意他明年可能会辞职。
There is nothing which has not been bitter before being ripe.
事情在成功前没有不艰苦的。
Everyone has something to sell.
人人都有东西可以出售。