pull (one's) punches

Translations
делать (что-то) не в полную силу
The critic didn't pull any punches in his review of the play.
Критик не сдерживался в своём отзыве о пьесе.
Definitions
To hold back from using the full force of one's criticism, actions, or attacks; to be less aggressive or harsh than one could be, often out of consideration for others.
Words
punch

noun
удар
pull

verb
тянуть