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Definitions3 characters
kuài4 4 xìn4
speedy, rapid, quick; soon / to deliver, to hand over; substitute / to trust, to believe; letter, sign
Usage•••frequent
Pronunciations

As word

1
kuài4
speedy, rapid, quick; soon / to deliver, to hand over; substitute / to trust, to believe; letter, sign
2
4
speedy, rapid, quick; soon / to deliver, to hand over; substitute / to trust, to believe; letter, sign
3
xìn4
speedy, rapid, quick; soon / to deliver, to hand over; substitute / to trust, to believe; letter, sign