coyly

adverb
1
in a way that is shy, or that is pretending to be shy and innocent, especially about love or sex, and sometimes in order to make people more interested in you
با ناز, با طنازی, با عشوه
2
in a way that shows that you are not willing to give information about something, or answer questions that tell people too much about you
با احتیاط, با رازپوشی, با حجب و حیا, با کم‌رویی
The report coyly insisted that there is very little information about how many applications are ‘lost’.