13 Old HSK word(s): ☊凉快 ** A ☊痛快 ** A ☊愉快 ** A ☊快 ** A ☊快乐 ** B ☊赶快 ** B ☊快餐 ** C ☊快活 ** C ☊飞快 ** C ☊快速 ** D ☊轻快 ** D ☊尽快 ** D ☊爽快 ** D


Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

爽 happy, cheerful / refreshing
快 rapid, quick, speedy, fast / soon

Hsk Characters: 快 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
快 5FEB + 快 + + rapid, quick, speedy, fast / soon 心， 忄 快 Heart 快 (DURCHBRUCH) kuai4 +

Korean:
9 NHSK word(s): 快* 2 kuai4rapid/ quick/ speed/ rate/ soon/ almost/ to make haste/ clever/ sharp (of knives or wits)/ forthright/ plain-spoken/ gratified/ pleased/ pleasant 快乐* 2 kuai4 le4happy/ merry 凉快* 4 liang2 kuai5nice and cold/ pleasantly cool 愉快* 4 yu2 kuai4cheerful/ cheerily/ delightful/ pleasant/ pleasantly/ pleasing/ happy/ delighted 痛快* 5 tong4 kuai4overjoyed/ delighted/ happily/ heartily/ enjoying/ also pr. tong4 kuai5 赶快* 5 gan3 kuai4at once/ immediately 爽快* 6 shuang3 kuai4refreshed/ rejuvenated/ frank and straightforward 快活* 6 kuai4 huo5happy/ cheerful 尽快* 6 jin3 kuai4as quickly as possible/ as soon as possible/ with all speed/ also written 盡快|尽快
KOREAN6000 word(s):
KOREAN 2500 New HSK words):
KOREAN Sentence(s):