いんぎん
polite; courteous; civil; friendship
Na-adjective, Noun
Noun, Na-adjective
耐たえがたきは、度どを越こした彼かれの慇懃いんぎんさだ。
What is hard to put up with is his over-politeness.
彼かれのいんぎんさは本心ほんしんではないかもしれない。
His cordiality may not be authentic.