I never talked about the marriage, still less about my ex-wife.我从未谈论过婚姻, 更别提谈论我的前妻了。

He didn't have a girlfriend, much less a wife.他连女朋友都没有, 更不用说有妻子了。

She did not understand our feelings, and those of her family even less.她连我们的感受都不能理解, 更不用说她家人的感受了。