Meaning of zhuàng:
撞
to knock against; to bump into; to run into; to meet by accident
Tā bù xiǎo xīn bǎ chē zhuàng dào le shù shàng.
他不小心把车撞到了树上。
He accidentally knocked the car against the tree.
Wǒ bù xiǎo xīn zhuàng dào le mén.
我不小心撞到了门。
I accidentally bumped into the door.
Tā bù xiǎoxīn bǎ chē zhuàng dào shù shàng le.
他不小心把车撞到树上了。
He accidentally ran the car into the tree.
Tā jīntiān zǎoshang zài jiēshàng bù xiǎoxīn zhuàng dàole yī wèi lǎorén.
他今天早上在街上不小心撞到了一位老人。
He accidentally bumped into an elderly person on the street this morning.