老旧的摩托车在雨天经常点火失败。

The old motorcycle kept ___misfiring on rainy days.

新政策本应提振经济，但效果不佳，未能达到预期目标。

The new policy aimed to boost the economy but ended up ___misfiring as it missed the intended goals.

由于神经损伤，他的手指肌肉有时会不受控制地抽动。

His finger muscles were ___misfiring occasionally because of the nerve damage.