我不會講法語，更別說是西班牙語了你根本不懂這個問題，更別提解決它了

我不會講法語，更別說是西班牙語了你根本不懂這個問題，更別提解決它了

結果 (英文) 1:

I do not speak French, let alone a Spanish

you do not understand the problem, let alone solve it

結果 (英文) 2:

I can't speak French, let alone Spanish.

You don't understand the problem at all, let alone solve it.

結果 (英文) 3:

I can't speak French, let alone Spanish
You don't understand the problem, let alone solve it