Have you been waiting long?
你等了很長時間嗎？
He shrieked a long, wordless cry.
他發出一串長長的尖叫。
The long journey tired him.
漫長的旅程使他疲倦。
How long is the River Nile?
尼羅河有多長？
Workers toiled long hours.
工人們長時間辛苦工作。
Doctors often work very long hours.
醫生經常長時間工作。
I've had a long hard day.
我這一天是又長又累。