じゃくてん弱点jakuten
1.
A point or aspect of a person or thing that is vulnerable or easily exploited, often leading to difficulty or disadvantage when addressed by others.
2.
An area of imperfection or insufficiency that highlights limitations or shortcomings in abilities or qualities.
3.
A sensitive issue or trait that, if revealed, may cause embarrassment or insecurity, often related to personal or moral failings.
Example:
数学は彼女の弱点です。