adj.机会致病性的(对免疫系统差的人有害)，机会主义的

The businessman saw the economic downturn as an opportunistic chance to buy stocks at low prices.
这位商人视经济衰退为一个趁机低价购买股票的机会。
She was accused of being overly opportunistic in her political alliances.
她被指责在政治联盟中过于投机取巧。
His opportunistic infection during chemotherapy weakened his immune system significantly.
他在化疗期间的伺机性感染严重削弱了他的免疫系统。
Some companies adopt an opportunistic pricing strategy, raising prices when demand is high.
有些公司采取机会主义定价策略，在需求高的时候提高价格。
The startup was criticized for its opportunistic approach to acquiring new customers.
这家初创公司因其获取新客户时的投机策略而受到批评。
His opportunistic behavior cost him the trust of his colleagues.
他投机取巧的行为使他失去了同事们的信任。
The politician was seen as more principled than opportunistic in his stance on immigration reform.
在移民改革立场上，这位政治家被认为比投机更坚守原则。
The company's opportunistic expansion into new markets proved successful.
公司抓住机会向新市场扩张的策略取得了成功。
The athlete was accused of using an injury as an opportunistic excuse to avoid competition.
这位运动员被指责利用伤病作为逃避比赛的投机借口。
In the world of business, it's important to be strategic rather than purely opportunistic.
在商业世界中，重要的是要有策略性而不是仅仅投机。