我想成为警察的英语怎么说

"I want to be a police officer" 是表达 "我想成为警察" 的常用英文表达方式。
"Police officer" 是英文中 "警察" 的意思。"I want" 是 "我想" 的意思，"to be" 是 "成为" 的意思。
例句：
I have always wanted to be a police officer. 我一直想成为警察。
Being a police officer is a challenging but rewarding career. 做警察是一项具有挑战性但又有回报的职业。
He decided to pursue his dream of becoming a police officer. 他决定追求成为警察的梦想。