n. (geology) a rise of land to a higher elevation (as in the process of mountain building)
n. 举起, 隆起, 大变动, 剧变
1. The sudden upheaval in the government surprised everyone.
政府的突然动荡让每个人都感到惊讶。
2. The community experienced a lot of upheaval after the natural disaster.
自然灾害后，社区经历了很多动荡。
3. She felt a sense of upheaval in her life after changing jobs.
换工作后，她感到生活中有一阵动荡。