[kāi mén jiàn shān]
The door opens on a view of mountains.; come [go] straight [right] to the point; come straight to the question; cut the cackle and come to the horses; declare [make clear] one's intention immediately; in a straightforward manner; no beating about the bush; put it bluntly; say point-blank
He came straight to the question of money; which was a shock to me.
他开门见山就提到了钱， 使我不禁愣了一下。