problematic marriage

基本解释

For some people, taking a lover may seem a solution to the dullness of marriage, but this can prove rather a problematic solution for many emotional and moral reasons.
对有些人来说，找个情人是为了解决婚姻带来的的乏味感，但是，更多的是为了解决情感和道德上的问题。
Emma's death released the poet in Hardy, who was by that time one of the most successful novelists of his generation, but a man whose private life was shadowed by a problematic childless marriage.
爱玛的去世开启了哈代的诗人时代。哈代是当时最成功的小说家，他的个人生活却笼罩在一段无儿无女的不幸婚姻之中。

It is time for those who consider themselves "serious" about arms control and responsible about national security to recognize the new deal on mobile missiles for what it is: an impermanent marriage of convenience that will make effective strategic arms reductions even more problematic and preclude steps urgently needed to provide for the common defense.
CENTERFORSECURITYPOLICY: Bush’s Faustian Deal On Mobile Missiles