The analyst predicted the market crash with certitude, though her data was limited.

那位分析師以十足把握預測市場崩盤，儘管她的數據有限。

During the meeting, the manager spoke with certitude about a deadline nobody had confirmed.

會議中，經理信心十足地談論一個沒人確認過的截止日期。

The customer insisted with certitude that the package had never arrived at his office.

那位顧客十分篤定地堅稱包裹從未送達他的辦公室。