indelicate
adjective uk/ɪnˈdel.ɪ.kət/ us/ɪnˈdel.ə.kət/
（言语或行为）不适当的，无礼的
Indelicate words or actions are not suitable for a situation and are likely to be offensive.
an indelicate comment 不妥的评论
Would it be indelicate to mention the fee at this point? 在这个时候提酬金的事会不会不妥当？