在那次晚宴上，我听到他作了一番非常有说服力的陈词。I heard him make a very eloquent speech at that dinner.书中的有些论述肤浅琐碎，毫无说服力。Some of the discussion in the book is lightweight and unconvincing.他的推销词流畅又有说服力。His sales pitch was smooth and convincing....
Sheila had an ulterior motive for trying to help Stan.希拉想帮助斯坦是另有所图的。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？She definitely had an ulterior motive in offeri...