the mother of all something
US /ðə ˈmʌðər əv ɔːl ˈsʌmθɪŋ/
UK /ðə ˈmʌðər əv ɔːl ˈsʌmθɪŋ/
1.
所有...之最, 最大的, 最难的
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.
期末考试是所有考试中最难的。
•
They faced the mother of all traffic jams on their way to the concert.
他们在去音乐会的路上遇到了史上最大的交通堵塞。