Open the door see mountain这样的英文属于中式翻译，当然是不正确的英语。那么如果在英语中表达“开门见山”的意思呢？
1、straight 直接的，坦率的。例句：
Well, I'm gonna be straight with you。
我就跟你开门见山吧。
Let's come straight to the point and make it quick.
让我们开门见山，速战速决。
2、be frank and straight，例句：
I want to be frank and straight to you. Your graduation paper failed in the evaluation.
我和你开门见山吧，你的毕业论文评审没有通过。
3、come straight to the point 直入本题,开门见山，例句：
I'll come straight to the point your work isn't good enough.
我要直截了当地说－－你的工作做得不够好。
4、Get sth straight with you 开门见山
e.g.: Let me get this straight with you. 让我跟你开门见山了说吧。
5、Speak Straight for wardly 直话直说。
Get to the point 直接说到点子上
e.g.: Cut your crap. Can you get to the point? 少说废话，直接说重点。
你看国外电影，有时侯总会来这么一句，what's your point?
6、cut to the chase 打开天窗说亮话（slang）
这个短语，从字面上可以猜出意思来，跟中文很接近。
e.g.: Let's cut to the chase. Can we have a trade? You get the man, I get the goods.
我们打开天窗说亮话，我们来交换怎么样？你拿人，我拿货。
7、Go round and round 兜圈子
e.g.: Please don't go round and round. let's cut to the chase. 请不要绕弯子。我们打开天窗说亮话。
8、with all my due respect 请恕我直言
e.g.: With all my due respect, it's a rip-off. 请恕我直言，这是笔宰人的买卖。