Honest advice, though unpleasant to hear, is often beneficial; unpalatable truth.
他虽然觉得老师的批评有些危言逆耳，但还是认真地反思了自己的不足。
Although he found the teacher's criticism hard to hear, he still reflected seriously on his shortcomings.
Next Idiom
Honest advice, though unpleasant to hear, is often beneficial; unpalatable truth.