1.
back, reverse side
The opposite side from the front.
紙の裏に書く。
To write on the back of the paper.
裏から入る。
To enter from the back.
服を裏返す。
To turn clothes inside out.
コインの裏。
The back of a coin.
建物の裏に行く。
To go to the back of the building.
手の裏を見せる。
To show the back of one's hand.
2.
behind the scenes
What is hidden or not openly shown.
裏の事情を知っている。
I know what's going on behind the scenes.
裏の取引がある。
There are dealings behind the scenes.
裏で何かしている。
Something is going on behind the scenes.
裏の意味がある。
There's a hidden meaning.
裏 means the back side, reverse, or hidden aspect of something.
SENSE 1 - PHYSICAL BACK:
- 紙の裏: back of paper
- コインの裏: reverse side of coin
- 建物の裏: back of building
SENSE 2 - HIDDEN/BEHIND SCENES:
- 裏の事情: behind-the-scenes circumstances
- 裏の意味: hidden meaning
CONTRAST:
表 (front, surface) ↔ 裏 (back, reverse)
IDIOMS:
- 裏を返せば: conversely, on the other hand
- 裏をかく: to outsmart, outmaneuver
- 裏目に出る: to backfire
COMPOUNDS:
- 裏切る: to betray
- 裏口: back door/entrance