When John was asked to star in a movie,he leaped at the opportunity.
当约翰被邀请主演一部电影时，他欣然接受了这机会。
leap at欣然地接受，急切地抓住。单独leap有跳，迅速行动的意思，jump at都有同样的意思。
John leaped at the offer to work overseas.
约翰欣然地接受了到海外工作的机会。
He jumped at the job.他欣然接受了这份工作。
