qǐng shāo děng zài yī yuàn lǐ kě néng shì liǎng fēn zhōng yě kě néng shì bàn xiǎo shí

“请稍等”在医院里可能是两分钟，也可能是半小时。

In a hospital, 'please wait a moment' could mean two minutes or half an hour.