1To tilt or tip something so that one side is lower; to make something lean or slant.
コップを少し傾けて水を注いだ。
I tilted the glass slightly and poured the water.
彼は頭を傾けて地図を見た。
He tilted his head and looked at the map.
強い風で塀が傾かないように支柱を傾けて固定した。
I braced the post at an angle so the fence wouldn't lean in the strong wind.
2To direct one's mind, attention, or effort toward something; to devote oneself or concentrate on.
彼女は研究に資金と時間を傾けている。
She is devoting money and time to her research.
先生は生徒の話に耳を傾けた。
The teacher listened attentively to the student's story.
国は医療制度の改善に力を傾けるべきだ。
The country should concentrate its efforts on improving the healthcare system.
3To squander or use up resources (money, assets) so that they are ruined or depleted.
彼はギャンブルに財産を傾けて家族を困らせた。
He squandered his assets on gambling and caused trouble for his family.
4To tilt a cup or glass to drink (often used for drinking alcohol; to tip back).
彼は祝杯を手に取り、グラスを傾けて一気に飲んだ。
He picked up the celebratory glass, tilted it, and drank it in one go.