bù​gǎn​gāo​pān

cannot presume

不敢高攀 bù​gǎn​gāo​pān
cannot presume
a polite formulaic expression used to decline an invitation, connection, or favor by suggesting one is not deserving
socially unworthy
to humbly suggest that one's social status is too low to associate with someone of higher rank or wealth

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