Firmest
firm（坚固的, 坚牢的）的最高级形式
🗣️ 情景例句
Could I?
我能看一看吗？
One party is entitled to cancel the contract if the other side cannot execute it.
如果一方不履行合同，另一方有权取消合同。
I am afraid that l have to go.
我要走了。