full of confidence, energy and good humour 充滿自信的;精力充沛的;熱情洋溢的 The Prime Minister was in ebullient mood. 首相興致勃勃。 He was accompanied by an ebullient, talkative blonde. 陪同他的是一位熱情洋溢、健談的金發女郎。 The ebullient Mr Clarke was not to be discouraged. 信心十足的克拉克先生是不會氣餒的。 She sounded as ebullient and happy as ever. 她聽起來像往常一樣熱情和快樂。
Word Originlate 16th cent. (in the sense ‘boiling’): from Latin ebullient- ‘boiling up’, from the verb ebullire, from e- (variant of ex-) ‘out’ + bullire ‘to boil’.