ten
/ten/cardinal number
1- equivalent to the product of five and two; one more than nine;10十; 十个：
the last ten years
过去的十年
the house comfortably sleeps ten
这屋子可供十个人住得舒舒服服
a ten-foot shrub.
十英尺高的灌木。
(Roman numeral: x, X. 罗马数字：x, X.)
1.1
- a group or unit of ten people or things十个人（或物）一组：
count in tens.
按十个一组算。
1.2
- ten years old十岁：
the boy was no more than ten.
小男孩不足十岁。
1.3
- ten o'clock十点钟：
at about ten at night I got a call.
大约在晚上十点钟, 我接到一个电话。
1.4
- a size of garment or other merchandise denoted by ten（衣服等商品的）十号。
1.5
- a ten-pound note or ten-dollar bill十英镑; 十美元：
he took the money in tens.
他拿了几张十元钞。
1.6
- a playing card with ten pips十点的纸牌。
短语
be ten a penny
- 见PENNY.
ten out of ten
1
- a perfect mark满分。
1.1
- used to congratulate someone or indicate that they have done something well（由于对方工作出色而给予的）赞扬; 祝贺：
you have to give her ten out of ten for persistence.
你得赞扬她的坚持不懈。
ten to one
- very probably十之八九; 很可能：
ten to one you'll never find out who did this.
你很可能永远都找不出这是谁做的。
词源
Old English tēn, tīen, of Germanic origin; related to Dutch tien and German zehn, from an Indo-European root shared by Sanskrit daśa, Greek deka, and Latin decem.