a shoulder to lean on (a sholder tu lin on)

Idiom Trust

意味

someone to give you support and comfort

支えてくれる人 (sasaete kureru hito)

例文

"She’s always been a shoulder to lean on for me."

"彼女はいつも私の頼れる肩でした。" (kanojo wa itsumo watashi no **tayoreru kata** deshita)