certainly读音是/ ˈsɜːt(ə)nli /。
表达意思:无疑,确定;当然,行(用于回答)。
词性:通常在句中作副词,修饰主语或宾语。
固定搭配:Sure Certainly 当然可以;almost certainly 几乎确定;Certainly not 才不咧 ; 当然不是 ; 当然不 ; 一定不会。
例句
1、I certainly don't deal drugs.
我当然不做毒品生意。
2、I'm certainly never going there again.
我肯定不会再去那里了。
3、The students were certainly not wanting in enthusiasm.
学生们当然不乏热情。