1. 困惑不解的；茫然的
If you are bemused, you are puzzled or confused.

1. perplexed by many conflicting situations or statements
filled with bewilderment

e.g. obviously bemused by his questions
bewildered and confused
a cloudy and confounded philosopher
just a mixed-up kid
she felt lost on the first day of school

Synonym: baffledbefuddledbewilderedconfoundedconfusedlostmazedmixed-upat sea

2. deeply absorbed in thought

e.g. as distant and bemused as a professor listening to the prattling of his freshman class
lost in thought
a preoccupied frown

Synonym: deep in thought(p)lost(p)preoccupied