十八的英文：
eighteen

Some 28 900 employees in the non-government sector usually worked less than 18 hours per week in their present job.
约28900名在非政府机构工作的雇员在现职每周通常工作少于十八小时。

Everyone in the Records Department worked eighteen hours in the twenty-four, with two three-hour snatches of sleep
纪录司人人都一天工作十八小时，分两次睡觉，一次睡三小时。

Great primer
十八磅因的活字

It's eighteen now.
现在十八点了。

An american presidential campaign lasts for eighteen months.
美国总统竞选历时十八个月。

An American presidential campaign lasts for eighteen months.
美国总统竞选历时十八个月。

Ten plus eight is eighteen.
十加八等于十八。

One who instigates a person under the age of eighteen to commit a crime shall be given a heavier punishment.
教唆不满十八周岁的人犯罪的，应当从重处罚。

The mercantilist view began to yield, after the late 18th century, to a freetrade view
十八世纪末，重商主义的观点开始让位于自由贸易的观点。

"A conspiracy in these times," said Louis XVIII
“在目前这个时间谋反，”路易十八笑一笑说。

The age of majority is eighteen.
成年的法定年龄是18岁.

I'll leave at eighteen.
我会在十八点离开。

Ten plus eight is eighteen.
十加八等于十八。

It's eighteen now.
现在十八点了。

He was employed by them for eighteen years.
他为他们工作了18年。