caustic in Korean
He made caustic remarks about the article.
그는 그 기사에 대해 신랄하게 말했다.
There was no need for him to make such a caustic remark.
그가 그런 혹평을 할 필요가 없었다.
1. having a very high ph: burning, alkaline, corrosive, erosive, astringent, antacid, acid
2. mordant: acrimonious, scathing, biting, sarcastic, sharp, stinging, trenchant