“十三？”他胡亂猜道。

　　"Thirteen?" he guessed wildly.

　　她曾十三年未被戰(zhàn)勝過。

　　She was undefeated for 13 years.

　　他十三歲時離家出走。

　　He ran away from home at the age of thirteen.

　　她出生一個月時受洗禮，十三歲時受堅信禮。

　　She was baptized when she was a month old and confirmed when she was thirteen.

　　以前至少有十三次嘗試獨立到達(dá)南極的努力。

　　There have been at least thirteen previous attempts to reach the North Pole unaided.