Keep something at bay
阻止某事或某物靠近，使其无法造成影响或伤害。
用于描述抵御疾病、问题或危险。
英文释义
Keep something away.
例句
She took vitamins to keep the cold at bay during winter.
典故来源
源自狩猎术语，'bay'指猎犬吠叫，猎物被逼到角落无法逃脱，引申为控制或阻挡。