GbEng
天黑了,我把窗帘拉上。 I drew the curtain as it was getting dark.
犯人趁着天黑逃跑了。 The criminal escaped under the cover of darkness.
天黑了,我看不见这块石头上的碑文。 I can't read the inscription on this stone because it's getting dark.
他不分白天黑夜, 想打电话就打. He's inclined to telephone at all hours of the day or night.