certainly的形容词certain 某一；必然的；确信；无疑的；有把握的；
certainly
adv. 当然；行（用于回答）；必定
She certainly knows what\'s what.
她当然知道轻重缓急。
I\'m certainly not scared of him.
我当然不怕他。
The story is almost certainly false.
这个故事几乎肯定是虚构的。
I\'m certainly never going there again.
我肯定不会再去那里了。
