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.
White lie
Ken: Yesterday I lost the watch that my girlfriend presented to me. Should I tell her this thing?
Lily: Certainly Not! Your girlfriend will be angry with you. Children and fools tell the truth.