coyness

noun
1
the fact of being shy or of pretending to be shy and innocent, especially about love or sex, and sometimes in order to make people more interested in you
حجب و حیاء, کم‌رویی, تظاهر به بی‌گناهی, شیطنت کم‌رویانه
2
the fact of being unwilling to give information about something, or answer questions that tell people too much about you
خودداری از پاسخ, تظاهر به خجالت یا شرم
government coyness in relation to military spending
synonym reticence