bell the cat
勇敢地去做一件危险或困难的事情
书面·指承担危险或艰巨任务
英文释义
to undertake a dangerous or challenging task, especially one that is likely to result in personal risk or harm
例句
Someone has to bell the cat and tell the boss about the mistake.
典故来源
源自伊索寓言《老鼠开会》：老鼠们提议给猫挂铃铛以预警，但无人敢执行。