indecent
/ɪnˈdi:snt; ɪn`disnt/ adj
1 (of behaviour, talk, etc) offending against accepted standards of decency or morality; obscene （指行为、 谈话等）不礼貌的, 粗野的, 下流的, 猥亵的
That short skirt of hers is positively indecent. 她那条短裙实在是不雅观.
2 [usu attrib 通常作定语]
improper; undue 不合适的; 不适当的
leave a party in indecent haste, ie too early or too soon to be polite 在聚会中匆匆离去而失礼. Cf 参看 decent.