He fell into deep thought.

He fell into a state of lethargy after the exam.

Understanding the transition state of a chemical reaction is important for predicting the progress of the reaction.

The negotiations have fallen into a deadlock.

He ended up in a vegetative state after the accident.

This program is designed to avoid a race condition.

He likes to take photographs.

This town is in a transition period.

He lost everything.

She is planning a date with her current boyfriend.