An argument, theory, or position that is untenable cannot be defended successfully against criticism or attack.
例句
This argument is untenable from an intellectual, moral and practical standpoint...从智识、道德和现实的角度来看,这一论点是站不住脚的。He claimed the charges against him were untenable.他声称对他的那些指控不值一驳。
英汉词典释义
adj.
(尤指辩论中的立场)站不住脚的, 不堪一击的
I find your theory is untenable and it must be rejected.我觉得你的理论是站不住脚的, 必须予以摒弃。
英英词典释义
Adjective
1. (of theories etc) incapable of being defended or justified