weak side
US /wiːk saɪd/
UK /wiːk saɪd/

1.
kelemahan, sisi lemah
a person's area of weakness or vulnerability
:
•
Public speaking is definitely my weak side.
Berucap di khalayak ramai sememangnya kelemahan saya.
•
Every superhero has a weak side.
Setiap adiwira mempunyai kelemahan.