(mahjong) red dragon (tile)

御中: belly, tummy, stomach, abdomen; a meal, especially of rice; cotton batting; (historical) the title of a maid working in the inner part of a samurai family's house during the Muromachi period

middle / in

middle / inside / in

expenses

sneak into, slip into

to obtain, to come into possession, to become available

to be proficient, skilled, experienced

ashamed and unable to show one's face

(transitive, idiomatic) to develop a crack, to break / (intransitive, idiomatic) to get cracked