potknął 用英语:

She stumbled over a wheelbarrow.

In early times, inventions were often stumbled upon by accident.

Yesterday I stumbled across a copy of my father's family register.

who stumbled onto something

The stout man leaped over the shallow ditch and stumbled.

The little girl stumbled up the stairs.

Entering the house, I tripped over the mat.

The old man tripped over his own feet.

She tripped on the stone.

tripped and fell

she was demonstrating dance step when she tripped on a rug and felt down

When the breaker tripped and it became pitch black, the baby got scared and started crying.

The Miss Universe contestant tripped on her gown but got up again gracefully and continued down the runway.

Not five minutes after he started running, he tripped on a rock.

I tripped on a stone, twisting my ankle.

I tripped over a stone and fell to the ground.