adventurist
n. 冒險主義者
If you describe someone or something as adventurist, you disapprove of them because they are willing to take risks in order to gain an unfair advantage in business or politics.
...aggressive and adventurist foreign policy.
激進冒險的外交政策
I did not think that this is adventurist actions.
我並不認為這是一次冒險行為.