generous to a fault
see to a fault.
How To Use A ConjunctionWhat is a conjunction? Get the answers to all your conjunction questions. When do you use a subordinating conjunction? What is a coordinating conjunction?
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.