蛇蜥其实不是蛇，而是无脚的蜥蜴。The slow-worm is in fact not a snake but a legless lizard.从智识、道德和现实的角度来看，这一论点是站不住脚的。This argument is untenable from an intellectual, moral and practical standpoint.持相反的论点就是试图为站不住脚的事情强辩。To argue otherwise ...

“脚的”的英语可以翻译为：[医] crural，pedal，peduncular，podalic ...