山洞里一片漆黑，什么都看不见。

shāndòng lǐ yí piàn qīhēi, shénme dōu kàn bú jiàn.

It was pitch-black inside the cave, and nothing could be seen.

停电之后，整个房间陷入了漆黑之中。

tíngdiàn zhīhòu, zhěnggè fángjiān xiànrù le qīhēi zhī zhōng.

After the power went out, the entire room was plunged into pitch darkness.

他在漆黑中摸索着找到了门。

tā zài qīhēi zhōng mōsuǒ zhe zhǎodào le mén.

He groped his way through the darkness and found the door.