It is not right to belittle someone for their mistakes.
belittle achievements
Frequency:
60
%
Don't belittle her achievements just because you are jealous.
belittle intelligence
Frequency:
50
%
He tends to belittle her intelligence whenever they argue.
belittle others
Frequency:
45
%
She always tries to belittle others to make herself feel superior.
Idiomatic Expressions for belittle
Phrase: belittle someone's efforts
Meaning: to diminish the value of someone's hard work or attempts
Usage: She belittled his efforts to help by saying it was not good enough.