to provide support or reinforcement to strengthen something and ensure it remains steady or firm

支える (sasaeru), 補強する (hokyō suru)
to tie or fasten something or someone securely to a stake for stability or control

杭に固定する (くいにこていする), 杭につなぐ (くいにつなぐ)
to support, hold up, or sustain by placing or leaning against a firm or solid structure

支える (sasaeru), 立てかける (takekakeru)
to strengthen a substance or structure, particularly by adding extra material to it

強化する, 補強する
to provide support or justification in order to make something stronger or more secure

支える (sasaeru), 強化する (kyōka suru)
to prevent a building or a part of it from falling, by putting large pieces of wood or metal under or against it

支えを入れる, 補強する
to bear the weight or provide physical support for something

支える (sasaeru), 維持する (iji suru)
to make muscles stronger and more defined through exercise or physical activity

引き締める, 鍛える
