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Entry Reading English Rank
平坦 へいたん (adj-na,n) even; flat; level 8934
坦坦 たんたん (adj-na,n) level; peaceful 45436
虚心坦懐 きょしんたんかい (n) with an open and calm mind; with no preconceived notions; without reserve; frank 48294
坦懐 たんかい (adj-na,n) level emotion; frankness 51560