This puzzle was like falling off a log.

She is falling pregnant.

They are falling short of their sales target this month.

There have been many fallings out between them over the years.

Everything is falling into place.

He was diagnosed with falling-sickness.

She is falling to pieces after the breakup.

She is falling ill and needs to rest.

She is falling on hard times and struggling to make ends meet.

She is free-falling from the sky.