bane of one's life

Noun

idiomatic

(idiomatic) Something or someone who poses a significant problem to an individual.

Japanese Meaning

その人の人生にとって常に問題や悩みとなる存在 / 絶えず面倒な問題を引き起こす人や物

Dealing with the bureaucracy is often the bane of one's life when trying to start a small business.

小さな事業を始めようとするとき、官僚主義の煩雑さはしばしば人生の悩みの種になる。

Sense（1）

(idiomatic) Something or someone who poses a significant problem to an individual.

banes of one's life

（ plural ）