Please don't tinker with my car engine.是什么意思？

Please don't tinker with my car engine.

请不要乱弄我的汽车发动机.

please

int. 请；vt.& vi. 使高兴，使满意，讨人喜欢，讨好；

例句
She adored her parents and would do anything to please them.
她很爱自己的父母，为让他们高兴愿意做任何事。

tinker

n. 补锅匠，修理匠，流浪者，吉普赛人；v. 小修，小补，摆弄；

例句
Don't tinker with the TV.
别瞎弄电视机.

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。

my

adj. 我的(I的所有格形式)；int. 啊呀，天啊；

例句
Racial discrimination is abhorrent to my council and our staff...
我的顾问班子和全体工作人员都对种族歧视深恶痛绝。

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。

engine

n. 发动机，引擎，工具，火车头，机车；vt. 给…安装发动机；

例句
The engine spat and banged.
发动机爆出火花，接着发出砰的巨响。