一、指代不同

1、trousers：裤子。

2、pants：短裤。

二、侧重点不同

1、trousers：用于较正式场合，英美通用。

2、pants：在美式英语中，泛指各类裤子；而在英式英语中，指衬裤或短裤（包括内裤、平角短裤等）。

三、引证用法不同

1、trousers：表示裤子条数时用pair。trousers修饰其他名词作定语时用单数形式。

2、pants：当pants作主语时谓语动词应用复数形式，当a pair of pants作主语时，谓语动词应用单数形式。

Climbing trousers.登山裤；爬山裤

Down trousers.鸭绒裤；羽绒裤

flare trousers.喇叭裤；中腰长阔裤

cotton trousers.棉裤；棉毛裤；棉制长裤

long trousers.[服装]长裤；保暖衣；长裤子

Cropped Trousers.七分裤；五分

Casual Trousers.休闲长裤；休闲西裤；休闲裤

Harem trousers.哈伦裤

pants trousers.裤子

1、He rushed out in pants.

他穿着内裤就冲出来。

2、Put that thing back in your pants now!

把那东西放回你内裤里！

3、Don't tell me you've split another pair of pants!

你不会又把一条裤子撑破了吧！

4、Their new CD is absolute pants!

他们的新光盘绝对是次货！

5、His breath came in short pants.

他气息急促。

6、Do we have to watch this pants programme?

我们非要看这种烂节目吗？

7、He dropped his pants.

他松开腰带，裤子掉下去。

8、The place is pants,yet so popular.

那个地方很糟糕，却很受欢迎。

9、He wore brown corduroy pants and a white cotton shirt.

他身着棕色灯芯绒裤子和白色棉衬衫。

10、He put on a pair of short pants and an undershirt.

他穿上了一条短裤和一件汗衫。

11、He was wearing riding pants,high boots,and spurs.

他穿着马裤和长筒靴，靴上带着马刺。

12、I think we caught them with their pants down.They're a bit confused.

我觉得我们让他们下不了台了。他们有点不知所措。

13、His pants were stuffed inside the tops of his boots.

他的裤腿儿塞在靴子里。

14、Waterproofed fabric pants are more expensive than plastic pants.

防水纤维短裤比塑料短裤贵多了。

15、He was wearing cotton pants and an open-necked shirt.

他穿着纯棉裤子和开领衬衫。

16、They knock around on weekends in grubby sweaters and pants

他们周末穿着邋遢的毛衫和裤子到处闲逛。

17、Walking in the surf,she had to roll her pants up to her knees.

她走在海浪里，不得不把裤腿卷到膝盖处。

18、It had a saddle with springs sticking out,which wore away the seat of my pants

鞍座上的弹簧翘出来，把我裤子臀部那块磨破了。

19、You'll bore the pants off your grandchildren

你会把孙辈们烦透的。

20、You pant(for breath)after running hard for a time.

拼命跑一阵后便会觉得气短。

1、The trousers have double thickness knee panels for extra protection.

这条裤子上有双倍厚的护膝片以加强保护。

2、These trousers are a bit tight.

这条裤子有点紧。

3、I was still in short trousers at the time.

我那时还在穿着短裤呢。

4、A wool jacket complements the silk trousers and provides an interesting contrast in texture.

毛料上衣配真丝长裤，质地上的差异非常有趣。

5、There were holes in the knees of his trousers.

他裤子的膝部有破洞。

6、The trousers have a fly fastening.

这条裤子是前开口。

7、He dropped his trousers.

他脱了裤子。

8、This month's offers include a shirt,trousers and bed covers

本月的特价商品包括一款衬衫、裤子和多种床罩。

9、His waterproof trousers were brand new and stiff

他那条防水裤崭新笔挺。

10、Drips of water rolled down the trousers of his uniform.

他的制服裤子在不停地滴水。

11、The seat of his short grey trousers split

他的灰色短裤的臀部开裂了。

12、She has to go to the men's department to find trousers that fit at the waist

她得去男装部找一条腰围合适的裤子。

13、It makes soldiers happy to know that somebody right at the top has been caught with his trousers down

顶头上司出了大洋相，当兵的最高兴了。

14、I mostly wore black or navy trousers.

我大部分时间穿黑色或深蓝色裤子。

15、He moved on through wet grass that soaked his trouser legs.

他继续前行，穿过湿漉漉的草地，裤腿全湿透了。

16、He wore a leather jacket and dark trousers.

他身穿皮夹克和深色裤子。

17、My hands,boots and trousers were plastered with mud.

我的双手、靴子和裤子上都沾满了泥巴。

18、The electric fire had begun to singe the bottoms of his trousers

电暖炉的火刚开始烧着他的裤腿。

19、He tried to tuck his flapping shirt inside his trousers

他设法把飘起的衬衫塞到裤子里。

20、He was wearing black combat trousers and a hooded fleece.

他穿着黑色作战裤和带风帽的羊毛衣。