◆手の裏を反すよう Te no ura wo kaesu you.
- 解釈：掌（てのひら）を返すように、僅かの間にがらりと変わること。簡単に態度を変えること。
- Literal：It seems to turn over a palm of the hand.
- Interpretation：It is abrupt. While it is slight, it is changing entirely. It is changing an attitude simply.
- 類義：掌を反す。手を反す。反掌。