Fall to (one's) lot verb phrase dated intransitive
To become the responsibility of someone.
If no one's willing to take the job it will fall to my lot one way or another.
Since Sarah retired, all her duties have fallen to my lot.
to show or teach somebody how to do something
To perform a dangerous task
No matter how difficult a task is, you can get it to be done by starting to do simple things.
Being looked after or protected by someone
The verb "fall" should be conjugated according to its tense.
To punish someone or something harshly
He's a really strict teacher, so he'll definitely lower the boom on you if you don't do your homework.