•We drove along a narrow, bumpy road.我们行驶在崎岖不平的小路上。

•It might be a bumpy flight (= an uncomfortable and rough flight) because there's a lot of air turbulence ahead.这次飞行可能会颠得不舒服，因为前面有许多气流。

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•She's had a bumpy ride at work over the last few months.过去的几个月里，她在工作上很不顺利。