disconcert
/ˌdɪskənˈsɜːt/verb
with obj.
- disturb the composure of; unsettle使惊慌失措; 使不安：
the abrupt change of subject disconcerted her
突然变换主题让她惊慌失措
as adj. disconcerted she was amused to see a disconcerted expression on his face.她饶有兴趣地看着他脸上惊慌的表情。
派生词
disconcertedly
adverbdisconcertion
noundisconcertment
noun （〈罕〉）词源
late 17th cent. （in the sense 'upset the progress of'）： from obsolete French desconcerter, from des- (expressing reversal)+concerter 'bring together'.