They turn the light on at dark.

他们天黑时开灯。

The hunters camped by the lake at dark.

天黑时，猎人们在湖边宿营。

The bar street has many customers even at dark nights.

酒吧一条街的生意在深夜都很好。

At dark impermanent just pardoned to quit of, the apartment door rang to get up.

就在黑无常刚刚告退之时，宿舍门响了起来。

A man hunted for a fox and finally lost himself in the forest. He walked around anxiously. At dark he met an old lady with white hair.

一个人在森林里追赶一只狐狸后来迷了路。他焦急地四处乱窜。黄昏时他遇到了因为满头白发的老太太。