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....

“说服力”的英语可以翻译为：persuasiveness，authority，convincingness，stringency，persuasion ...

“说服力”的拼音为：shuō fú lì...