upheaval
英 [ʌp'hiːv(ə)l]
美[ʌp'hivl]
	    - n. 剧变;隆起;举起
 
英英释意
- 1. a state of violent disturbance and disorder (as in politics or social conditions generally);
 - "the industrial revolution was a period of great turbulence"
 
- 2. a violent disturbance;
 - "the convulsions of the stock market"
 
- 3. (geology) a rise of land to a higher elevation (as in the process of mountain building)
 
- 4. disturbance usually in protest