大可不必

da4 ke3 bu4 bi4

need not, unnecessary

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大可不必

dà kě bú bì

It is not at all worth it.; totaly unnecessary:

都是老朋友，大可不必如此客气。 As we are old friends, it is totally unnecessary to stand on ceremony.

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大可不必|大可不必 [dà kě bù bì] ► need not ► unnecessary