Chinese phrase
为什么要检查？ wèi shén me yào jiǎn chá
Meaning
Why do you need to check?
When to use it
Asks why a check is needed. It is a direct but neutral question used when the purpose of an inspection is unclear.
Example dialogue
你们为什么要检查？ nǐ men wèi shén me yào jiǎn chá
Why do you need to check?
只是例行检查，主要是为了防止带危险物品，别担心。 zhǐ shì lì xíng jiǎn chá zhǔ yào shì wèi le fáng zhǐ dài wēi xiǎn wù pǐn bié dān xīn
It's just a routine check, mainly to prevent people from bringing in dangerous items, so don't worry.