Suit mistakes
Else clues• Backs out
• Breaks a promise
• Bridge blunders
• Bridge misplays
• Commits a faux pas at the bridge table
• Commits an act of betrayal, maybe
• Cops out
• Doesn't come through
• Doesn't follow suit when able to
• Doesn't follow through
• Doesn't keep a promise
• Doesn't properly follow through
• Fails to come through
• Fails to follow suit in bridge
• Fails to follow through
• Goes back
• Goes back (on)
• Goes back on a promise
• Goes back on one's word
• Heart failures?
• Misplays at bridge
• Plays an improper card
• Plays the wrong card
• Plays the wrong suit
• Takes back
• Takes back, with 'on'
• Weasels out