keep at bay
防止或维持在远处，尤其是对抗危险或威胁
口语·描述抵御威胁或控制局面
英文释义
to keep something or someone at a distance or under control; to prevent something from happening or getting closer
例句
We used a fence to keep the wild dogs at bay.
典故来源
源自狩猎术语，bay指猎犬围困猎物，keep at bay即阻止其靠近。