He came from the twenty-third floor down to the lobby on the mezzanine to collect his mail before breakfast, and he believed—he hoped—that he looked passably well: doing all right.
早饭前，他从二十三楼走到夹层的门厅去取邮件。他相信——他希望——他看上去还过得去：一切都很好。
2
He recited a verse of the twenty-third psalm.
他背诵了《诗篇》中的第二十三个诗节。
《柯林斯英汉双解大词典》
3
China successfully sent the twenty-third Beidou Satellite into space in 2016.