Some of the discussion in the book is lightweight and unconvincing.书中的有些论述肤浅琐碎，毫无说服力。I find the characters in the book very unconvincing.我觉得书中的人物很不真实。On the face of it, this story seems unconvincing.表面上看来, 这个故事似乎令人难以置信....
Brushing wet hair can cause stretching and breakage.梳理湿头发会拉抻头发，造成损伤。Every compartment had some minor breakage or malfunction to report.每间舱房总有些小毛病或机件失灵的事故上报.There was a great deal of breakage in that shipment of glassware...