1.ton的基本意思是“吨”“公吨”,常用作重量单位,是可数名词,ton的复数形式与of连用时意思是“大量”。
2.ton在俚语中可作“很重”“好重”解,也可作“每小时100英里”解。作这两个意思解时,常用单数名词形式,与不定冠词a连用。

(come down on sb) like a ton of bricks
严厉地(斥责或惩罚某人) (criticize or punish sb) with great force or violence
When the boss found him goofing off, he came down on him like a ton of bricks.当老板发现他偷懒耍滑的时候,气势汹汹地训了他一顿。
If there's any fighting I shall come down like a ton of bricks on both of you.你们若是再打架的话,我就狠狠地处罚你们。

The coal consumption of this boiler is in the vicinity of twenty tons a week.这台锅炉的耗煤量接近于每星期20吨。
It is a ship of 3000 tons burden.这是一条载重3000吨的船。
Each stone weighs about two and a half.每块石头重约二吨半。
I have asked somebody tons of times.我已问过他人无数次了。
I bought tons of fruit while it was cheap.我在水果便宜时买了许多。
It will save a ton of money.这会节省很多钱。
In her early fifties, she wears tons of jewelry.她50出头,全身是珠光宝气。
Tons of people have asked about something tons of times.无数的人们对这件事问了无数次了。
This book weighs a ton.这本书重得不得了。
The motorcyclist must have been doing a ton as he passed me.当摩托车从我身边驶过时,他的时速肯定达到了100英里。
Thepolice caught me doing a ton so I have to go to court for breaking the speed limit.我把车开到一小时100英里被警察看见,因此被控超速而上法庭。

a long〔gross〕 ton表示“英吨,大吨”,相当于2240磅; a short ton为“美吨; 加拿大吨”,相当于2000磅,是小吨。

［词源］  ＜tun(桶(液体计量单位)的变体音译“吨”)