mid-15c., "to set up, fix," from up (adv.) + set (v.). Similar formation in Middle Dutch opsetten "set up, propose," German aufsetzen. Modern sense of "overturn, capsize" (1803) is that of obsolete overset. In reference to the stomach, from 1834. Meaning "to throw into mental discomposure" is from 1805. Related: Upsetting.
upset (n.)
early 15c., "insurrection," from upset (v.). Meaning "overturning of a vehicle or boat" is recorded from 1804.
upset (adj.)
early 14c., "erected," past participle adjective from upset (v.). From 1805 as "distressed."
权威例句
1. I hope I haven't said anything to upset you.
但愿我没有说过让你不高兴的话。
2. Argentina's erratic inflation rate threatens to upset the plans.
阿根廷动荡不定的通货膨胀率可能会破坏那些计划。
3. It's easy to get a tummy upset from river water.
喝河水很容易闹肚子。
4. After a pause Alex said sharply: "I'm sorry if I've upset you"
歇了一会儿后,亚历克斯毫不客气地说:“要是让你心烦了,那我很抱歉。”
5. She spoke haltingly of her deep upset and hurt.