心こころの平たいらMeanings1na-adjectiveeven-tempered; calm-minded; sereneDescribes a person whose heart is calm and not easily disturbed; a steady, composed disposition.彼かれはいつも心こころの平たいらな人ひとだ。He is always an even-tempered person.心こころの平たいらでいることは難むずかしい。It is difficult to stay calm-minded.