I'm a fearless person.

我是个无所畏惧的人。

youdao

Many a fearless doctor has laid down his life.

许多无畏的医生献出了自己的生命。

youdao

The people of Linzhou displayed a fearless spirit.

林州人真有一股大无畏的气概。

youdao

With a fearless spirit I went to the place and got close enough to the ruined cabin to throw a stone against it.

VOA: special.2009.10.31

She was a fearless woman of great energy and skill.

VOA: special.2009.05.10

She was charismatic and likable and a fearless defender of those who worked for and with her.

FORBES: How to Detect Your Blind Spots That Make Your Colleagues Disrespect You

Unlike Apple, Google makes multibillion dollar acquisitions and is a fearless spender for infrastructure and new hires.

FORBES: Open Season On Icons, From Apple And Google To Charlie Sheen

Plaid Cymru described Mr Clarke as "a fearless champion of children's rights" who "made a great success of his post".

BBC: NEWS | UK | Wales | Tributes to children's 'champion'