At the beginning, Dr. Watson tries to puzzle out the profession of his strange roommate at 221b Baker Street.
She could not puzzle out how she had mounted the steps and reached her room.
The next thing was to puzzle out what was written in the letter.
She wanted to be alone, to puzzle out what the coming of this man meant to her.
It is a very great pleasure to me to puzzle out the sentences.
He passes a puzzle out to everybody, and they spend all their lives tryin' to work it out.
But there was no sense in trying to puzzle out the reason for their having gone.
If you like, take along the map and puzzle out variations, from time to time.
Then I lay quite still, trying to puzzle out what was the matter.
Anyhow, we left Jake back at the trolley station, and he's probably still there, trying to puzzle out how we got away.
c.1600, "state of being puzzled," from puzzle (v.); meaning "perplexing question" is from 1650s; that of "a toy contrived to test one's ingenuity" is from 1814.