[ I ] to become firm or more difficult to bend变僵硬;变得不易弯曲
[ I ] to become less relaxed and more formal变生硬,变得拘谨
[ I or T ] to become or make something stronger or more difficult加强;(使)变得严厉;(使)变得艰难
👨🏻🏫 Mr. Ng 劍橋詞典 📚 – cambridge.mister5️⃣.net切換為繁體中文