have big shoes to fill
US /hæv bɪɡ ʃuːz tu fɪl/
UK /hæv bɪɡ ʃuːz tu fɪl/

1.
面临巨大挑战, 责任重大
to have a difficult job to do because the person who did it before you was very good or successful
:
•
The new CEO will have big shoes to fill after the legendary founder retired.
在传奇创始人退休后,新任首席执行官将面临巨大挑战。
•
She's a brilliant teacher, and whoever replaces her will certainly have big shoes to fill.
她是一位杰出的老师,无论谁接替她都将面临巨大挑战。