1、certainly 英[?s??tnli]；美[?s??rtnli]

2、adv. 無(wú)疑; 確定; 肯定; 當(dāng)然; 行;

3、[例句]The public is certainly getting tired of hearing about it

.關(guān)于此事，公眾當(dāng)然已經(jīng)聽(tīng)膩了。