To patch up is to repair something roughly so it lasts a while. Patch up the roof, patch up a quarrel.
It admits the repair is temporary, which is what separates it from mending properly. To patch up a friendship means it works again without the cause being settled.
1phrasepatch upTo repair something roughly so it lasts a while.
“They patch up the road every spring and never resurface it.”
patch up is a phrase.
Practised in Repair & Damage