opportunism

1. N-UNCOUNT If you refer to someone's behaviour as opportunism, you are criticizing them for taking advantage of any opportunity that occurs in order to gain money or power, without thinking about whether their actions are right or wrong. 机会主义[表不满]

The senator responded by saying that the opposition's concern for the environment was political opportunism. 这位参议员回应说，反对派对环境问题的担忧是政治上的机会主义。