Defease
vt. 使作废，废除(合同、契约等)：
🗣️ 情景例句
They've stood by me through all this.
他们一直支持我做这件事。
He sketched the situation in a few vivid words.
他用几句生动的话概况了形势。
The driver gave him a few biscuits and a cup of coffee and left him just outside the city.
司机给了他几块饼干和一杯咖啡，就把他丢在了城外。