fall to
US /fɔːl tə/
UK /fɔːl tə/

1.
2.
落到, 成為...的責任
to become the responsibility of someone
:
•
The task will fall to the newest member of the team.
這項任務將落到團隊最新成員的頭上。
•
It often falls to the eldest child to care for aging parents.
照顧年邁的父母通常落到長子身上。