Jack skinned his knee when he fell.

杰克跌倒时膝盖擦破皮。

He sprained his ankle when he fell.

跌倒时扭伤踝骨。

We heard a thump as he fell.

我们听见砰一声倒下去。

My mother was alarmed when I fell over.

当我跌倒时候，我妈妈很惊慌。

I recognized her when her wig fell off.

她假发掉下时我认出她。

The film was so abysmal that I fell asleep.

电影太糟糕,看得我睡着。

The stars came out as soon as darkness fell.

天一黑,星星就出。

His eyes glazed over and gradually he fell unconscious.

"睛变得呆滞,渐渐地便不省人事。"

She whispered a few words weakly before she fell down.

她虚弱地低声说几句便昏倒。

The snow on the ground gradually cemented as the night fell.

随着夜幕降临地上雪逐渐凝结起。

I dropped my toast, but luckily it fell right side up.

我把吐司掉到地上,不过幸好它正面朝上。

Many companies have watched helplessly as their stock prices fell.

股价下跌时,许多公司无能为力地看着。

I chipped the enamel on my front tooth when I fell over.

我跌倒时门牙珐琅质碰碎。

He was on his annual pilgrimage to Mecca when he fell ill.

在一年一度前往麦加朝圣途中病倒。

The dignity of the occasion was spoilt when she fell down the steps.

她跌倒在台阶上, 破坏该场合庄严气氛。

He sustained an injury to his spine when he fell off his horse.

从马上摔下, 伤脊梁骨。

Anna was laughing up her sleeve when Joe fell into the trap she set.

当乔上她设圈套后, 安娜暗自高兴。

Saturday evenings he invariably fell asleep.

星期六晚上总是睡觉。

The knife fell from his nerveless hand.

那把刀从无力手中落下。

The knife fell from her nerveless fingers.

刀子从她那无力手中落下。