let alone

副词 let alone:

1. much less
   同义词：not to mention

1. There isn't enough room for us, let alone six dogs and a cat.
   连我们的地方都不够，更不必说六条狗和一支猫了。
2. I haven't decided on the menu yet, let alone bought the food.
   我还没决定吃什么菜呢，更不必说买好了。
3. 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。
4. He hasn't enough money for food, let alone amusements.
   他连温饱都无法解决，就更不用说娱乐了。
5. The baby can't even walk, let alone run.
   这小孩连走路都不会，更不用说跑了。