behind

a hollow behind a wall.

the mastermind behind the project.

He is behind the plan.

The train was behind time.

The broom is behind the door.

The plane was behind schedule.

He is behind the times.

the reasoning behind their decisions.

There was a rustle in the undergrowth behind her.

they operate behind a shroud of secrecy.

the door shut behind him.

The train was in an hour behind schedule.

Don't fall behind in class.

He sat behind her.

I'll hide behind the door.

There's sb. lurking behind that bush.

The train is an hour behind time.

Behind the green house was a greenhouse.

The enemy is in force behind the hill.

The horse fell behind in the race.