The room was dark and I bumped (my head) against [on] the door.

屋子里很黑，我(的头)碰到了门上。

《新英汉大辞典》

The door swung open, disclosing a long dark passage.

门开了，露出一条昏暗的长通道。

《牛津词典》

I stumbled along in the dark, trusting to luck to find the right door.

我摸黑跌跌撞撞地往前走，全凭运气去找对门。

《牛津词典》

He pulled hard on the restaurant door, forcing it open, and stumbled with his tattered flowers into the dark realm between the door and the velvet drapes that had been hung to keep the cold from sweeping in over diners at the front of the room.

NEWYORKER: Another Manhattan

But there was a dark side, well-hidden, and all of a sudden someone opened the door and the dark side came out.

CNN: ASIANOW - TIME Asia

When we got back after dark, and came through the front door, Grumbles was at his desk and shot us a dark glance.

CNN: ASIANOW - TIME Asia | Walkabout: Bad & Bitter