Defease
vt. 使作废，废除(合同、契约等)：
🗣️ 情景例句
What's the lowest you're willing to go?
最低你能出什么价？
He used to live in my neighborhood.
他曾与我是邻居。
Though the doctors did his best, the patient's recovery was slow.
尽管医生竭力医治，但病人恢复缓慢。