A weak point or shortcoming—an area of vulnerability, defect, or flaw that may need to be overcome.
彼の弱点は決断力のなさだ。
His weakness is a lack of decisiveness.
面接では自分の弱点も正直に話したほうがよい場合がある。
In interviews, it can sometimes be better to honestly talk about your weaknesses.
そのチームの守備が最大の弱点だ。
The defense is that team's biggest weak point.