“at+a+名词”的常见搭配　　

■湖南  陈根花　　

at a disadvantage 处于不利地位　　

They were working at a disadvantage. 他们在很不利的情况下工作。　　

His inability to speak French puts him at a disadvantage. 他不会说法语，这使他很吃亏。　　

at a discount 打折，减价，跌价；不时兴，不受重视　　

I bought the TV at a 40% discount. 我以六折买了这部电视。　　

Honesty was rather at a discount in those days. 在那种年代，诚实很不吃香。　　

at a distance 在一定距离的地方，隔开一些距离　　

The picture looks better at a distance. 这幅画远些看更好些。　　

Seen at a distance, the glass necklace might have passed for a genuine one. 稍微远一点看，那串玻璃项链几可乱真。　　

【注】keep sb at a distance的意思是“与某人保持距离”“疏远某人”。如：　　

She no longer kept her neighbors at a distance. 她不再对邻居冷淡了。　　

at a distance of 在……的地方　　

Can you hit a target at a distance of 200 meters? 你能射中200米外的靶子吗？　　

At a distance of six miles you can’t see much. 距离6英里以外的东西很难看清。　　

at a glance 看一眼（就）　　

He saw at a glance that she had been crying. 他一眼就看出她刚哭过。　　

I could tell the difference between them at a glance. 我一眼就能看这两者之间的区别。　　

at a loss 不知所措，不知如何是好　　

He was at a loss for an answer. 他不知何回答是好。　　

I’m at a loss what to do next. 我不知道下一步怎么办。　　

at a moment’s [minute’s] notice 一接到通知就　　

He came at a moment’s notice. 他一接到通知就来了。　　

I am ready to start at a minute’s notice. 我已作好一接到通知就出发的准备。　　

at a speed of 以……的速度　　

He drove at a speed of 35 miles an hour. 他以每小时35英里的速度驾车行驶。　　

Light travels at a speed of about 186,282 miles (299,728 kilometers) per second. 光速是每秒大约186,282英里（299,728公里）。　　

【注】at a speed of后通常接速度的具体数值，比较下面at the speed of的用法。如：　　

Can the plane fly at the speed of sound? 这飞机能以音速飞行吗?　　

注意，下面一句中的at并不表示速度，而是表示“对……”：　　

The doctors were astonished at the speed of her recovery. 医生对她恢复的速度感到惊讶。　　

at a stretch 不休息地，一口气地，连续地　　

He worked for six hours at a stretch. 他连续工作了6个小时。　　

He always sits by the bank of the river for three or four hours at a stretch. 他经常在河边一坐就是三四个小时。　　

at a time 一次，每次(www.yygrammar.com)

Take the pills two at a time. 这药每次服两粒。　　

I can only carry two at a time. 我一次只能携带两个。　　

Cross the road one at a time—don’t bunch up. 一次一个地过马路——别都挤在一起。　　

【注】不要混淆at a time与at one time，后者的意思是“一度”“过去曾经”。如：　　

At one time I lived in 　　Japan　　. 我曾一度住在日本。　　

At one time there were not so many cars on the streets. 从前街上没有这么多车子。