His horse was feeling frisky, and he had to hold the reins tightly.
马儿欢蹦乱跳，他不得不紧勒缰绳。
辞典例句
Bob: Use this mounting block. Now hold the reins with your left hand.
鲍伯: 用这垫脚台. 现在用你的左手握住缰绳.
互联网
Hold the reins in your hands with your thumbs on top and pinkies on the bottom.
手持马缰,拇指在上,小指在下.
互联网