n.確實(shí)；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(dòng)去追趕它們，他確信自己能追上。
'You will like Rome,' he said, with absolute certitude. “你會(huì)喜歡羅馬的。”他深信不疑地說道。
n.疑惑；不確定；無把握
