Her sharp-tongued comments always leave people both laughing and annoyed.

sharp-tongued 是由形容词 sharp（锋利的）和名词 tongue（舌头）加上后缀 -ed 组成的复合形容词。sharp 在这里比喻"犀利的、尖锐的"，tongue 引申为"言辞、说话方式"。 sharp-tongued 形容一个人说话犀利刻薄，言辞尖锐，常带有讽刺或批评的意味，可以翻译为"伶牙俐齿的""说话刻薄的"。