他厌倦了快节奏的城市生活，决定放慢步调搬到乡下。

Tired of the fast-paced city life, he decided to ___downshift and move to the countryside.

在下坡时，司机需要降档以避免刹车过热。

When going downhill, the driver needs to ___downshift to prevent the brakes from overheating.

为了减轻压力，她决定放慢工作节奏。

She decided to ___downshift her work pace to reduce stress.