Failure of performance
[经] 未履行合同
🧩 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];
🗣️ 情景例句
You should save some money in case of urgent need.
你应该存点钱以备不时之需。
No,that's not my book.
不，那不是我的书。
It's quite likely that a decision will be made before the end of the year.
有可能年底前就要作出决定。