たなごころ
たなごころ 【掌 】【手のひら 】the palm of one's hand .たなごころの内 ▸ すべてはあなたのたなごころの内だ Everything is [You have everything ] in the palm of your hand .たなごころを反 (かえ )す 【態度を急に変える 】change one's attitude suddenly .たなごころを指すように 〘know …〙 like the palm of one's hand .