肚裏 is read as とり (tori) and means in the heart.
とり
tori
ひょうり
duplicity
うら
inverse (of a hypothesis, etc.)
ぶたいうら
offstage
のうり
one's mind
やねうら
attic
くちうら
divining good or bad luck from listening to someone
だいり
festival dolls representing the emperor and the empress
だいだいり
greater palace
てんじょううら
above the ceiling
へいわり
peaceable
せいこうり
(with a) successful outcome
じたくうら
behind one's home