翻訳　日本語　英語: 苦さ

1 acerbity, acrimony, bitter, bitterness, gall, jaundice, rancor, rancour, resentment, tartness, thorniness.

2 adversity, bitter, bitterness, grief, hard knocks, hardship, sadness, sorrow, sorrowfulness.

3 bitter, bitterness, complaint, gall, grievance, grudge, malice, maliciousness, rancor, rancour, resentment, score, spite, spitefulness, venom.