err on the side of

US /ɜːr ɑn ðə saɪd əv/
UK /ɜːr ɑn ðə saɪd əv/
"err on the side of" picture
1.

الاحتياط, التحفظ

to choose to do something that is safer or more cautious, rather than taking a risk

:
When in doubt, it's always better to err on the side of caution.
عند الشك، من الأفضل دائمًا الاحتياط.
The judge decided to err on the side of leniency, given the defendant's clean record.
قرر القاضي الاحتياط بالرأفة، نظرًا لسجل المدعى عليه النظيف.