The episode will surface out of nowhere and you will not see it coming, so understandably it will have quite a jarringeffect on your nerves.
这事看起来不会变生，所以很能理解，你会对此感到很震动。
2
Shock vibration is a more jarring and unpredictable vibration that may occur while driving over a rut or hole causing an immediate effect or injury in the short-term to the operator.