cannot should not must not not allowed simply must
He would be the last person who would do such a thing.
他最不可能干这种事情。
—— 柯林斯例句"Could I have a word?" — "Oh dear, if you must."
“我能说一句吗?”——“亲爱的,如果你非说不可的话,好吧。”
—— 柯林斯例句Incidents of this type cause irreparable damage to relations with the community.
这类事件会对与该社群的关系造成不可弥合的伤害。
—— 柯林斯例句He said the killing of innocent people was inexcusable.
他说滥杀无辜是不可原谅的。
—— 柯林斯例句Make up your mind, you can´t have it both ways.
你决定吧,反正鱼与熊掌不可兼得。
—— 柯林斯例句