a fearless opponent的用法和样例：
- A fearless opponent of Russia's wars in Chechnya who once described President Vladimir Putin as a“ KGB snoop” and compared him to Stalin, she was shot as she returned home from a shopping trip at4.30 pm.
- Henry ran this sword in with a fearless hand.
- He looked at me with a fearless gaze.
- He is a fearless champion on the battlefield.
- Henry ran this swordin with a fearless hand.