苦涩: 1.(又苦又涩的味道) bitter and astringent; harsh to the taste2.(形容内心痛苦) pained; agonized; anguished 短语和例子苦涩的表情 a pained look
刻薄: (待人说话冷酷无情;过分苛求) unkind; harsh; mean 短语和例子尖酸刻薄 tart and mean; bitterly sarcastic; 待人刻薄 be harsh towards others; treat people meanly; 说刻薄话 speak unkindly; make caustic remarks; 对你的小弟弟不要如此刻薄。