【rein】

take the reins抓住缰绳；slip the reins松开缰绳；rein in the horse勒马；rein in one's passions控制激情；keep a tight rein on expenditure严格控制支出；impose reins on real estate business对房地产交易实施控制；give rein to imagination任想象驰骋；rein your tongue管住你的舌头；assume the reins of power执掌权力；rein a fiery horse驾驭烈马；give free rein to creativity充分发挥创造力