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....
那些建筑工人用那个该死的钻子到底还要钻多久? 真使人烦恼!How much longer are the builders going to be blasting away with that damned drill? It's enough to send anyone up the wall.他失足摔了一跤,摔倒时手里还握着钻子.He tripped and fell - with the pointed tools ...