have an ulterior motive be ill-intentioned have an axe to grind be done with ulterior motives
She must have some ulterior motive for being nice to me—what does she really want?
她对我这么好,一定别有用心—她到底想干什么呢?
—— 给力词典精选I suspect he may have had ulterior motives for being so generous.
我怀疑他如此慷慨大方也许是别有用心。
—— 给力词典精选Designing colleagues stopped them from promoting me.
有些别有用心的同事阻止他们提拔我。
—— 给力词典精选Their groundless accusation is made with ulterior motives.
他们的无端攻击是别有用心的。
—— 给力词典精选The politician played on the patriotic sentiments of the people from ulterior motives.
那个政客别有用心地利用人们的情绪。
—— 给力词典精选