undergo

undergo, experience, sustain, suffer

这些动词均有“经历，经受，遭受”之意。
undergo: 多指经受艰难、痛苦、不愉快或危险等事。
experience: 指亲身经受或体验某事。
sustain: 指遭受痛苦或承受负担。
suffer: 常可与sustain通用，尤指受到损害或伤害。

动词 undergo:

1. go through (mental or physical states or experiences)
   同义词：experience, receive, have, get
2. go or live through
   同义词：experience, see, go through
3. accept or undergo, often unwillingly
   同义词：take, submit

1. The castle will undergo extensive and costly renovations.
   那城堡要用钜资进行全面整修。
2. Metals undergo expansion when heated.
   金属加热时会膨胀。
3. This city underwent great changes.
   这座城市经历了巨大的变化。
4. I hope that I shall never again have to undergo such unpleasant experience.
   我希望我永远不会再遭遇到这种不愉快的经历。
5. She underwent a thorough examination at the hospital.
   她在医院里接受了全面检查。