冒昧

bold / presumptuous / to take the liberty of

old variant of 冒[mao4]

surname Mao

to emit / to give off / to send out (or up, forth) / to brave / to face / reckless / to falsely adopt (sb's identity etc) / to feign / (literary) to cover

to conceal / dark

if I may be so bold

to venture to / to presume to / to take the liberty of