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to lean against; to recline on; to lean on
to rely on; to depend on
柱に凭り掛かって遠くの景色を眺めていた。
I was leaning against a pillar, gazing at the distant scenery.
疲れた彼は壁に凭り掛かった。
Tired, he leaned against the wall.
彼女は窓枠に凭り掛かっている。
She is leaning against the window frame.