By the time the shipment cleared customs, the sky had started to dusk over the port.

等到貨物通關時，港口上空已經開始天色漸暗了。

The sky was dusking outside the conference room as the budget meeting finally wrapped up.

預算會議終於結束時，會議室外的天色正逐漸暗下來。

Our tour bus reached the hotel just as the evening began to dusk over the hills.

我們的遊覽車抵達飯店時，山丘上的天色剛好開始變暗。