1a corner or bend in a road; a street corner or turning point on a street.
右に曲がると、すぐ曲がり角に小さなコンビニがあります。
If you turn right, there's a small convenience store right at the corner.
暗くて曲がり角が見えにくいので気をつけてください。
It's dark and the corner is hard to see, so please be careful.
あの曲がり角でよく事故が起きる。
Accidents often happen at that bend.
2a turning point; a decisive moment when circumstances or a course of events change.
留学が彼の人生の大きな曲がり角だった。
Studying abroad was a major turning point in his life.
その試合の失点がチームの曲がり角になった。
That conceded goal became the turning point for the team in the match.
政治的な曲がり角を迎えて、政策が大きく変わった。
Reaching a political turning point, the policies changed drastically.