He was detected in the act of stealing.

他在偷窃时被当场发觉.

《现代英汉综合大词典》

Ken was in the act of paying his bill when Neil came up behind him.

当尼尔从后面走过来时，肯正在付账。

柯林斯例句

He was caught in the act of stealing the sweets.

他正在偷糖时被抓住了.

辞典例句

I caught her in the act ( of reading my letters ).

我当场发现了她 ( 正在看我的信 ).

辞典例句

He looked , in the act of opening the door, like a corpse adjusting his coffin lid.

他开门的动作就象一具死尸在移动棺材盖.

辞典例句

He was detected in the act of breaking into her house.

他闯入她屋子时被人当场发现.

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Love however is only powerful in the act of forgiveness.

不过,爱只在宽恕中有力.

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I surprised him in the act of stealing money from the till.

他从钱箱偷钱时,被我当场捉到.

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In the act of picking up the ball, he slipped and fell.

捡球时他滑倒了.

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The thief was apprehended in the act of stealing a car.

窃贼在偷汽车时当场被抓住.

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In the act of going he stayed to straighten the bedspread.

他边往外走,边停下脚来抻了抻被子.

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I caught Jenny in the act of reading my letters.

正当珍尼偷看我信的时候,我当场抓住了她.

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The thieves were caught in the act of breaking into the house.

那些盗贼正破门而入时被当场捉住.

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The thief was caught in the act of breaking into the house.

窃贼在破门入室时被抓住了.

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Mike seemed to freeze in the act of bending his head.

麦克把头低下,看似呆在了那里.

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