one shouldn't bury one's head in the sand while leaving one's bottom exposed

(literary) they (about women or girls)

(informal, women's speech) I, me

inside / (Empire of Japan) mainland Japan, as opposed to colonies

soon, before long / someday, eventually

inside / inner / domestic

conceal, cover up

(weaponry) hidden/concealed weapons

secret camera; hidden camera

(phonetics) in Sanskrit phonology, consonants made with the lips; the labial (/p, b, m/) consonants