B : Not really. All I know is how to change a flat tire.

Flat welding flange of the major design drawback is that it can not guarantee no leakage.

平焊法兰的主要设计缺点是它不能保证无泄漏.

This article introduces the technique of flat welding.

并介绍在横位置的横焊技术.

The new product caught their competitors flat-footed.

他们的新产品令竞争对手措手不及.

This technique is sometimes called flat footed.

这个技巧有时候被称为平足(姑且这么翻译吧).

Two of the prisoners were trying to escape but were caught flat-footed in the attempt.

有两个囚犯企图逃走,但就在逃跑当中被抓获了.

Her questions have caught the department chairperson flat-footed.

(她的问题,使系主任惊讶.)

Research Division Hanison seamless steel market price of the lowered speed, the steel companies flat-footed.

兴胜无缝管研究师目前市场的钢铁价格降价之快, 把钢铁企业打了个措手不及.

Then suddenly I saw the two women and run frantically , their movements and flat footed.

不一会,我突然看到那两个妇女转身没命地往屋后跑, 动作笨拙,拖拽着脚步.

This prisoner was trying to escape but was caught flat-footed in attempt.

囚犯企图逃走,但在逃跑中被抓住了.

One low side of the hill was a sparsely connected system: flat-footed and stagnant.

在山的低侧,一边是松散连接的系统: 不敏感而且死气沉沉.

We were all caught flat-footed when the colonel made a surprise inspection.

上校突然来视察,我们被当场抓住.

I'm your friend and I'll come out flat-footed and say what I think.

我是你的朋友,我会直截了当,心里有什么就说什么.

His speed and skill makes other players look flat-footed.

他速度快、技术好,使其他运动员相形见绌.

After running in the marathon, she was flat out for a week.

她参加马拉松比赛后一星期都疲惫不堪.

Tell me flat out what you think.

坦率地告诉我你的想法.

I was going flat out but I still could not catch him.

我开车飞速前进,但仍然赶不上他.

That allegation is a flat-out lie.

那项指控是彻头彻尾的谎言。

We're all flat out after lifting that piano.

我们抬了那架钢琴后累得精疲力竭.

Everyone is working flat out to try to trap those responsible.

每个人都在全力以赴，设法捉住那些罪魁祸首。

But producers were pumping flat out , leaving little spare capacity.

但是石油生产者确实在,压缩产量,哄抬油价.