catch someone off guard

Will climate change catch us off guard
Don't let a disaster catch you off guard!
Earlier Oscar mailings catch some off guard
Don't Let Lightning Catch You Off Guard
BLM deals catch locals offguard
Guards Catch Illini Off-Guard
New GPA standards catch some off-guard
Twins catch Coomer off guard; First baseman, agent surprised team's final offer was final.(SPORTS)
New Rules Catch Firms off Guard
Beachgoers Catch Coast off Guard