Pínglùnjiā de xīnlà pīpíng ràng dǎoyǎn shífēn nánkān.
The critic's biting criticism embarrassed the director greatly.
Tips
usage
辛辣 covers both literal spiciness (food) and figurative sharpness (words, criticism). Unlike 辣 alone, 辛辣 leans more literary and is common in written contexts when describing caustic commentary.