Hold Back Meaning
(idiomatic) to delay, especially in school
Example: Don't hold back. Hit it as hard as you can.
The dam can't hold back that much water.
2011 January 8, Chris Bevan, â€œArsenal 1 - 1 Leedsâ€, BBC:
Fabregas coolly slotted home after Ben Parker held back Theo Walcott and only a super Kasper Schmeichel save stopped Denilson winning it for the Gunners.
He's a year older than his classmates because he was held back in second grade.