a. 兴高采烈的,开心愉快的
ad. 很,非常
jolly sb along 鼓励某人〔加快速度做某事〕
jolly sb into sth 哄某人做某事
Sounds like a jolly good idea to me. 我觉得这是个好主意。
BrE /əˌbriːviˈeɪʃn/