They were left with egg on their faces when only ten people showed up.
只有十人到场，他们感到很丢面子。
When on holiday, I just want to relax.
放假的时候，我只想放松一下。
When on board, I like to kill time by reading detective stories.
乘飞机时，我喜欢读侦探小说借以消磨时间。
By contrast, I, like most of you, am an impatient Westerner, even when on holiday.
与他们形成对照的是，我，像你们大多数人一样，是一个没有耐心的西方人，甚至在度假的时候也是这样。
When parking on a hill, leave the car in gear.
在斜坡上停车时把汽车挂上挡。
When I'm on the soccer field, I'm at my happiest.
当我在足球场上时，我最开心了。
When did mammals appear on the earth?
地球上的哺乳动物起源于何时？
When Caroline was five she scribbled on a wall.
卡罗琳5岁时在墙上乱涂乱画。
When I came around I was on the kitchen floor.
当我苏醒时，我躺在厨房地板上。
You can preset the radiators to come on when you need them to.
你可以预先调好暖气，使它在你需要的时候启动。
The deal fell apart when we failed to agree on a price.
我们在价格上未能达成一致意见，生意吹了。
This dress is too long—it drags on the ground when I walk.
这连衣裙太长了—我走路时就拖在地上。
Was any check made on Mr Morris when he applied for the post?
莫里斯先生申请这个职位时对他进行调查了吗？
My brother, Nick, was born on a Sunday, when all the church bells were ringing.
我的弟弟尼克，出生在一个星期天，当时所有教堂的钟都在鸣响。
Captain Ronald Warwick was on the bridge when the wave hit.
浪打来时,罗纳德·沃里克船长正在舰桥上。
I often doodle when I'm on the phone.
我打电话时常常信手乱画。
The company ran into trouble early on, when a major order was cancelled.
这家公司早些时候有一个大订单被撤销，因此陷入了困境。
There was mass hysteria when the band came on stage.
乐队登台时观众一片疯狂。
Many people were crushed when the building collapsed on top of them.
那座楼房倒塌时砸伤了下面许多人。
My mother started me off on the piano when I was three.
三岁时我母亲就让我开始练钢琴了。
You should have seen the look on her face when I told her!
我告诉她的时候你真该看看她的脸色！
The seal on the box broke when it fell from its hiding-place.
盒子从隐藏处掉下时上面的封口破了。
Cars did not stop when the lights were on amber.
当交通灯是黄色时汽车没有停下来。
When people put on uniforms, their attitude becomes more confident and their manner more officious.
人们穿上制服后会变得信心倍增，也更爱管闲事了。
He had a narrow escape when his car skidded on the ice.
车在冰上打滑，他险些出事。
The block becomes magnetic when the current is switched on.
一通上电流，这块板就会有磁性。
He had always believed that kids could sense it when you held out on them.
他一直认为，如果对孩子们有所隐瞒的话，他们能够感觉得到。
I like walking on the wet sand when the tide is out.
我喜欢退潮后走在潮湿的沙滩上。
I leave a light on when I'm out to discourage burglars.
我出门时开着灯以防夜盗闯入。
I leave a light on when I'm out to discourage burglars.
我出门时开着灯以防夜盗闯入。
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