卢克用手指做了个下流的手势。用英语怎么说？

卢克用手指做了个下流的手势。

Luke made a rude gesture with his finger.

luke

adj. <古>冷淡的；

例句
What on earth had Luke done?...
卢克究竟做了什么？

made

adj. …制的，（人工）做成的，拼成的，虚构的，保证成功的；v. 使(make的过去式和过去分词)；

例句
Single people are treated as an aberration and made to pay a supplement.
独身者被当成异类，而且要付一笔额外的费用。

rude

adj. 粗鲁的，简陋的，狂暴的，近乎下流的；

例句
It was a rude awakening to learn after I left home that I wasn't so special anymore.
离家后我才猛然意识到自己不再有什么特别。

gesture

n. 手势，姿势，举止，动作，〔古语〕仪态，[计算机]光笔指令；vt. 做手势；vi. 用手势表现，表达或指

例句
He's living in a monastery in a gesture of atonement for human rights abuses committed under his leadership...
为了弥补自己当权时对人权的践踏，他以出家来谢罪。

with

prep. 和，跟，随着，关于，和…一致；

例句
A waiter entered with a tray...
侍者端着托盘进来了。

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。

finger

n. 手指，指状物，指针；vt. 伸出，告发，用手指触摸；vi. 用手指触摸，拨弄；

例句
All you need to do is gently agitate the water with a finger or paintbrush...
你只需要用手指或刷子轻轻地搅动水。