Jack skinned his knee when he fell.

杰克跌倒时膝盖擦破皮。

He sprained his ankle when he fell.

他跌倒时扭伤踝骨。

We heard a thump as he fell.

们听见他砰的一声倒下去。

I recognized her when her wig fell off.

她的假发掉下来时认出她。

My mother was alarmed when I fell over.

当跌倒的时候，妈妈很惊慌。

The film was so abysmal that I fell asleep.

电影太糟糕,睡着。

The stars came out as soon as darkness fell.

天一黑,星星就出来。

His eyes glazed over and gradually he fell unconscious.

"他的眼睛变呆滞,渐渐地便不省人事。"

She whispered a few words weakly before she fell down.

她虚弱地低声说便昏倒。

They are felling all the trees in this area.

他们在砍伐这个地区的所有树木。

Many companies have watched helplessly as their stock prices fell.

股价下跌时,许多公司无能为力地着。

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

随着夜幕降临地上的雪逐渐凝结起来。

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

把吐司掉到地上,不过幸好它正面朝上。

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

跌倒时门牙的珐琅质碰碎。

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

他在一年一度前往麦加朝圣的途中病倒。

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

她跌倒在台阶上, 破坏该场合的庄严气氛。

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

他从马上摔下来, 伤脊梁骨。

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

当乔上她设的圈套后, 安娜暗自高兴。

Saturday evenings he invariably fell asleep.

星期六晚上他总是睡觉。

The burden fell on the eldest son.

担子落在长子身上。