有人在他的车上涂写了“人渣”的字样。用英语怎么说？

有人在他的车上涂写了“人渣”的字样。

Someone had scrawled 'Scum' on his car.

someone

pron. 某人，有人；n. 某个人；

例句
This was clearly a failure by someone who thought he was above failure...
这显然是认为自己根本不会失败的人所遭遇的一次失败。

had

v. 有（ have的过去式和过去分词 ），（亲属关系中）接受，拿，买到；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

scrawled

v. 乱涂，潦草地写( scrawl的过去式和过去分词 )；

例句
He scrawled his name across the bill...
他在账单上草草地签了名。

on

prep. （表示方向）向，（表示对象）对，（表示位置）在…上，（表示时间）在…之时；adv. （放，穿，连接）上，向前，（继续）下去；adj. 活动着的情况，状态，使用着的，发生着的，计划中的；

例句
I spend a lot on expensive jewelry and clothing...
我花很多钱购买昂贵的首饰和衣服。

his

pron. (he的所有格)他的，(he的物主代词)他的东西；det. 属于他的，用于名词前，自己的，指某人的，上帝的；

例句
He claimed that his parents had abandoned him...
他声称父母遗弃了他。

car

n. 汽车，车厢，轿车；

例句
His car was held up and he was abducted by four gunmen...
他的车遭遇拦劫，随后他被4名持枪歹徒劫持。