ONE PHRASE, IN CONTEXT
i don't know
我不知道;我不清楚

GET TO KNOW THE MEANING
同一个表达,不同的语境。
01我不知道;我不清楚
IN A SENTENCE
I don't know which key opens the shed, so let's label them one by one.
我不知道哪把钥匙能打开工具棚,我们把钥匙一把一把标记起来吧。
02我不知道;我不确定
IN A SENTENCE
I don't know where I left the measuring tape, but I remember using it on the workbench this morning.
我不知道把卷尺放哪儿了,不过记得今天早上还在工作台上用过。
