n.確實;確信
He felt a wild desire to run after them, a certitude that he could run them down. 他有股發(fā)狂的沖動去追趕它們,他確信自己能追上。
'You will like Rome,' he said, with absolute certitude. “你會喜歡羅馬的。”他深信不疑地說道。
n.疑惑;不確定;無把握