Let it alone, son!

甭管它，儿子！

youdao

We have let it alone more than most gardeners can.

我们比绝大多数的园艺师更懂得听其自然。

youdao

Insurance interest is neither economic benefit nor concerned interest, and let it alone, legal interest, but refers to the risk not confirmed that can be shifted.

保险利益既非经济利益也非关系利益更非法律利益，而是指可以转嫁的不确定的风险。

youdao

To figure out even what this thing is, let alone how to use it properly. So, you know, I'm sympathetic.

就连认出这是什么东西（都很困难），更别说正确应用它了，所以我很同情这点。

经常犯的失误 - SpeakingMax英语口语达人

"It's the ugliest thing I've ever seen on the road and to put a Jeep badge on it, let alone call it a Cherokee, is an insult to the name and heritage that Jeep has always delivered, " says Micah Myers, a longtime Jeep fan from Lexington Park, Md.

WSJ: Jeep takes a radical new turn with Cherokee

But few other than Stephen Hawking wish to stick their necks out by predicting how long it will take (let alone lay money on it).

ECONOMIST: The truth is out there. Maybe

In fact, if you look at Amazon or Google, a piece of information actually exists in multiple locations around the world, so it would be difficult to even identify where that information is, let alone go after it.

NPR: Will 'Cloud Computing' Work In White House?