courageous
courageous — adjective
1. A courageous person does something difficult, dangerous, or frightening because
A courageous person does something difficult, dangerous, or frightening because they believe it is the right thing to do, often when others would not.
The firefighters made a courageous effort to save everyone trapped inside the burning hotel.
courageous + noun (effort, act, decision)
It was courageous of Ravi to admit his mistake in front of the whole class.
It + be + courageous + of + person + to-infinitive
Wen wrote a courageous article about problems in the city government.
Park rangers described the lost climber's midnight rescue as a courageous act.
For Yusuf, telling his family the truth was the most courageous thing he had done.
文法句型
it + be + courageous + of + person + to-infinitive
courageous + noun (act, effort, decision)
用法筆記
Common in formal and written contexts; in everyday conversation, brave is more frequently used. The pattern 'It is courageous of someone to do something' is typical for praising a specific action.