noun, na-adjective, noun which may take the genitive case particle 'no'
somewhat puzzled; a bit baffled
Describes a state of mild confusion or being slightly at a loss. The suffix 気味 adds the nuance of 'tending toward' or 'a touch of'.
He was somewhat puzzled by the sudden question.
With a slightly baffled look, she tilted her head.
当惑 means 'bewilderment' or 'perplexity' without the 'somewhat' nuance. 当惑気味 softens it to 'a bit puzzled'.
困惑 is a near synonym for 'bewilderment', but 当惑気味 is milder and often used for a fleeting, slight confusion.
Compound of 当惑 (bewilderment) and the suffix 気味 (tending toward, a touch of).