insincere
/ˌɪnsɪnˈsɪə(r)/adjective
- not expressing genuine feelings不真诚的, 不诚恳的; 虚伪的：
she flashed him an insincere smile.
她对他虚情假意地微微一笑。
派生词
insincerely
adverbinsincerity
noun （pl. -ies）词源
mid 17th cent.: from Latin insincerus, from in- 'not' + sincerus 'sincere'.