A few circles, they say, display a phenomenal level of complexity and would be difficult to draw on paper, let alone in a field after dark.

有一小部分的怪圈，更是复杂得出奇，画在纸上都困难，更不用说在深夜里去制作它。

youdao

It is no stretch, then, to say that having a toxic parent may be harmful to a child's brain, let alone his feelings.

毫不夸张的说有一对有负面影响的父母可能伤害孩子的大脑，更别提对他的情感上的伤害了。

youdao

Needless to say, the people are not always well-informed, let alone right or consistent in their wants.

不用说的是，大众并不是一直都有充分的信息，更别提他们愿望的对错或者一致性。

youdao

No, say others, who argue most will never tweet, let alone check-in, or chat, or vote, when they just want to relax with some TV.

FORBES: Social TV Data Is Not The New Nielsen: How It Might Be Better

Let's just say it was a good thing I work at home, alone.

CNN: Healthy habits: A month of living perfectly

This is not to say that Cardinal Bergoglio was in any sense a liberation theologian, let alone a Marxist.

FORBES: Is Jorge Bergoglio, The New Pope Francis, A Capitalist?