ONE PHRASE, IN CONTEXT
for some reason
不知为什么;出于某种原因

GET TO KNOW THE MEANING
同一个表达,不同的语境。
01不知为什么;出于某种原因
IN A SENTENCE
For some reason, the front gate always sticks after a heavy rain.
不知为什么,每逢大雨过后前门总会卡住。
02不知为何;由于某种原因
IN A SENTENCE
For some reason, the sensor stopped recording whenever the room became warm.
不知为何,房间一变暖,这个传感器就停止记录。
For some reason, my phone keeps connecting to the neighbor's speaker.
不知为什么,我的手机总是连到邻居的音箱上。
