❶（左右・上下などの）側がわ, （表裏・内外などの）面
the right [left] side of the road
the right [left] side of the road
道の右[左]側
the right [wrong] side of the cloth
the right [wrong] side of the cloth
布の表[裏]側
the west [east] side of the city
the west [east] side of the city
市の西[東]側
this [the other] side of the river
this [the other] side of the river
川のこちら[向こう]側
From the earth we see only one side of the moon.
From the earth we see only one side of the moon.
地球からは月の片側だけしか見えない.
There is printing on both sides of the paper.
There is printing on both sides of the paper.
その紙の両面に印刷してあります.
There are two sides to these matters.
There are two sides to these matters.
こういう事柄ことがらには（プラスとマイナスの）2つの面があります.
❷（敵・味方の）側, 方
the other side
the other side
相手側
Our side won the football game.
Our side won the football game.
私たちの側がフットボールの試合に勝った.
Which side are you on?—I'm on Ken's side, because he is always on the side of the weak.
会話Which side are you on?—I'm on Ken's side, because he is always on the side of the weak.
君はどっち側に賛成なんだ. —僕ぼくはケンの側だ. だってケンはいつも弱い方の味方だからだ.
⦣ 質問の文は意味のつながりでは on which side （どっちの側に）だが, which は疑問詞なので which side が文頭に出る.
He is my relative on my mother's side.
He is my relative on my mother's side.
彼は私の母方の親戚しんせきです.
❸横, 脇わき, そば; 側面; 横腹
a door at the side of the house
a door at the side of the house
家の横[側面]にあるドア
sit by the side of the road
sit by the side of the road
道端みちばたに座すわる
sit by his side
sit by his side
彼の横に座る
I have a pain in my left side.
I have a pain in my left side.
私は左の横腹が痛い.
I slept on my side.
I slept on my side.
私は横向きになって眠ねむった.
❹（人・事・物を見る）面, 側面; （数学の）辺, （側）面
consider the question from all sides
consider the question from all sides
その問題をあらゆる面から考える
I always try to look on the bright side of things.
I always try to look on the bright side of things.
私は常に物事の明るい側[明るい面]を見ようと努める.
A box has six sides.
A box has six sides.
箱は6面ある.
