the mother of all something
US /ðə ˈmʌðər əv ɔːl ˈsʌmθɪŋ/
UK /ðə ˈmʌðər əv ɔːl ˈsʌmθɪŋ/
1.
すべての母, 究極の, 最大の
used to refer to an extreme example of something, often the largest, most impressive, or most difficult one
:
•
The final exam was the mother of all tests.
期末試験はすべての試験の母だった。
•
They faced the mother of all traffic jams on their way to the concert.
彼らはコンサートへ向かう途中ですべての渋滞の母に直面した。