Amanda was coming back let alone that she was pregnant.阿曼达要回来了而且还怀了孩子

let alone更别提

I never thought of it, let alone did I do it.

我想都没有想到它，更谈不上去做了。

The baby can't even walk, let alone run.

这小孩连走路都不会，更不用说跑了。

If I could go back in time...如果时光能倒流...

in time终于，最后

He will never fall away even in time of danger.

他即使在危急时刻也绝不会放弃原则。

Firemen reached the house on fire in time.

消防队员及时赶到那幢失火的房子。