catch (someone) by surprise

To startle, amaze, or come upon (someone) unawares. That car coming around the corner caught me by surprise. She was caught completely by surprise with the amount of donations she received. Don't let hidden bank fees catch you by surprise.

Common Names:

Name	Pronounced	Usage
Griffin	GRIF-in	English
RÓIs	-	Irish
Agamemnon	ag-ə-MEM-nahn (English)	Greek Mythology
Ihab	-	Arabic
Demyan	dyem-YAHN (Russian), deem-YAHN (Russian), dem-YAHN (Ukrainian)	Russian, Ukrainian
Bambi	BAM-bee	English