untenable
[ʌnˈtɛnəbəl]
adj.
（尤指辩论中的立场）站不住脚的;
不能维持的;
难以防守的;
不能租赁的;
例句:
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Obviously this is a ludicrous and untenable business model.
来自SA
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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 believed the Axis position in North Africa untenable.
来自D. Fraser
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She was so disloyal to her deputy she made his position untenable.
她对她的副手很不守信义，使得他的职位岌岌可危。
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He claimed the charges against him were untenable.
他声称对他的那些指控不值一驳。
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Though that might not stop his position becoming untenable.
来自THETIMES