1N-COUNT 冒险者;冒险家 An adventurer is a person who enjoys going to new, unusual, and exciting places. 冒险者;冒险家
2N-COUNT 投机取巧者;用不正当手段谋求钱财(或权利)者 If you describe someone as an adventurer, you disapprove of them because they are using dishonest or immoral methods to gain money or power. 投机取巧者;用不正当手段谋求钱财(或权利)者 [disapproval]
...unprincipled opportunists and ambitious political adventurers.