pull your punches

US /pʊl jʊər ˈpʌn.tʃɪz/
UK /pʊl jʊər ˈpʌn.tʃɪz/
"pull your punches" picture
1.

retenir ses coups, ne pas y aller de main morte, modérer ses critiques

to hold back or limit the force of one's criticism or actions

:
The reviewer didn't pull any punches, criticizing every aspect of the film.
Le critique n'a pas retenu ses coups, critiquant chaque aspect du film.
You need to tell him the truth; don't pull your punches.
Tu dois lui dire la vérité ; ne retire pas tes coups.