be in someone's shoes
US /bi ɪn ˈsʌm.wʌnz ʃuːz/
UK /bi ɪn ˈsʌm.wʌnz ʃuːz/

1.
设身处地, 处在某人的境地
to be in another person's situation, especially a difficult one
:
•
I wouldn't want to be in his shoes right now, with all the pressure he's under.
我可不想现在处在他的境地,他承受着巨大的压力。
•
If you could just be in my shoes for a day, you'd understand why I made that decision.
如果你能设身处地为我着想一天,你就会明白我为什么做出那个决定。