“十三？”他胡亂猜道。
"Thirteen?" he guessed wildly.
她曾十三年未被戰勝過。
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南極的努力。
There have been at least thirteen previous attempts to reach the North Pole unaided.