This is the 9988th most frequent Japanese word.
身の丈
One's stature, physical height, or one's means/abilities relative to their situation.
This usage of '身の丈' conveys the meaning of something being appropriate or fitting to someone's circumstances or abilities.
彼は常に身の丈に合った生活を心がけています。
He always strives to live a life suited to his situation.
Here, '身の丈' refers to one's own capacity or limits, emphasizing the idea of stretching beyond what one is accustomed to.
身の丈を超えた挑戦は時に危険ですが、成長への第一歩とも言えます。
Challenges exceeding one's capacity can sometimes be risky, but they may also be the first step towards growth.
In this example, '身の丈' is used to denote one's abilities or suitability with respect to a particular task or project.