孩子们起劲儿地学骑车。

The children enthusiastically learned to ride a bicycle.

在大街上撒把骑车简直是玩儿命。

To ride a bicycle in the street without holding the handlebars is simply playing with one's life.

那里地面高低不平，无法骑车。

The ground there is too rough to ride over.

我们骑车旅行，每天约骑30英里。

We did about 30 miles a day on our cycling trip.

她骑车上山累得全身发热，喘不过气来。

She was hot and breathless from the exertion of cycling uphill.

她骑车沿路而去，狗跟在后面奔跑着。

She rode off down the road with the dog running behind.

提供的活动项目有帆船运动和山地骑车。

The activities on offer include sailing and mountain biking.

要照顾自己，骑车戴上头盔。

Do yourself a favour and wear a helmet on the bike.

她骑车拐弯时失去平衡，摔了下来。

She cycled round the corner, lost her balance and fell off.