Confirm: to tell someone that a possible arrangement, date, or situation is now definite or official 批准(职位,协议等),确认,认可
He was confirmed as captain for the rest of the season. 他被正式任命在这个赛季剩下的一段时间内担任队长。
Impulsive: 冲动的;易冲动的;由冲动造成的
He later regretted his impulsive decision.
后来他懊悔凭冲动作出的决定。
She is an impulsive person; we never know what she will do next.
她是个容易冲动的人;我们从来不知道她下一步想做什么。
Be for the best: used to say that although sth appears bad or unpleasant now, it will be good in the end结局总会好的
I don't want you to leave, but perhaps it's for the best.
我并不想让你走,但也许还是走的好。
Be quick to do sth 的意思就是“迅速做某事”,但用到这个搭配的时候,往往包括“too quick”的意思。
She was quick to point out the mistakes I’d made.
她立即指出了我犯的错误。
at your / sb's disposal available for use as you prefer/sb prefers 任某人处置,供某人任意使用,由某人自行支配
He will have a car at his disposal for the whole month. 他将有一辆汽车归他使用一个月。
Wipe out: 消灭;彻底摧毁
They have wiped out the enemy's major military targets.
他们已彻底摧毁了敌人的主要军事目标。