I can't forget the upsetting experience in Africa.

我不能忘记在非洲的令人不快的经历。

Upsetting is not one of the necessary steps.

缩锻并不是必要的步骤之一。

She tried to forget the upsetting experience.

她试图忘记这次令人沮丧的经历。

She was afraid of upsetting her parents.

她担心会使她父母不安。

He has a positive genius for upsetting people.

他气人的本事可大呢。

She stood up suddenly, upsetting a glass of wine.

她蓦然起身，碰倒了一杯酒。

We risk upsetting the ecological balance of the area.

我们有可能破坏这个地区的生态平衡。

He had blundered into the table, upsetting the flowers.

他撞上了桌子，打翻了花。