fall in

崩落する、陥没する

壊れて、内側の空間へ崩れ落ちること。

やさしい英語で： To break and collapse towards the inside of a space.

• The roof might fall in.
• Part of the tunnel fell in after the earthquake.
• The old ceiling has fallen in above the stairs.

類義語： cave in, collapse

よく使う表現： roof fall in, ceiling fall in

整列する

兵士が列や集団の中で、決められた位置に並ぶこと。

やさしい英語で： If soldiers do this, they stand in their ordered places in a line or group.

• The sergeant ordered us to fall in.
• The soldiers fell in for the morning parade.
• Fall in behind the first row and stand still.

使い方： fall in behind someone (The recruits fell in behind their sergeant.)

類義語： form up, line up

反対語： fall out

よく使う表現： fall in quickly, fall in outside, soldiers fall in

位置につく、列に加わる

他の人や物の間、または隣の決まった位置に入ること。

やさしい英語で： To move into a particular place among or beside other people or things.

• She fell in beside me.
• A taxi fell in behind the bus.
• The children fell in behind their teacher as she walked away.

使い方： fall in behind/beside someone/something (A blue car fell in behind our van.)

類義語： take a position, join

よく使う表現： fall in behind, fall in beside

満了する、終了する

期間が過ぎたり条件が変わったりして、契約や支払いが終わること。

やさしい英語で： An agreement or payment ends because its period is over or a condition has changed.

• The lease will fall in next year.
• Her annuity fell in when she died.
• Several old agreements had fallen in by then.

類義語： expire, lapse, end

反対語： begin

よく使う表現： annuity fall in, lease fall in

発効する、有効になる

取り決めが効力を持ち始めたり、権利が使えるようになったりすること。

やさしい英語で： An arrangement or right starts to have an effect or become available.

• The new rights fall in next month.
• His entitlement fell in after the agreed date.
• The arrangement will fall in when the old lease ends.

類義語： take effect, become effective

反対語： expire

よく使う表現： rights fall in, agreement fall in