腰をかけて

sit down

→ 腰
phrase Rare #32,421
sit down The て-form of 腰をかける, meaning to sit or take a seat. Often used with に to indicate where someone sits, such as ベンチに腰をかけて (sit on a bench).
JA: ここに腰をかけて、少し休んでください。
EN: Please sit down here and rest for a while.

あそこで誰かがベンチに腰をかけて本を読んでいた

Someone was sitting on the bench over there, reading a book.

ソファーに腰をかけている

I'm sitting on the sofa.

私はベンチに腰をかけて待った

I sat on the bench and waited.