subside
/səbˈsaɪd/verb
no obj.
1
- become less intense, violent, or severe减弱, 减退：
I'll wait a few minutes until the storm subsides.
我会等几分钟直到暴风雨减弱。
1.1
- lapse into silence or inactivity陷入沉默（或平静）：
Fergus opened his mouth to protest again, then subsided.
弗格斯又张口抗议, 然后就平静了下来。
1.2
- ( subside in/into) give way to (an overwhelming feeling, especially laughter)禁不住显露（强烈的情感, 尤指大笑）：
Anthony and Mark subsided into mirth.
安东尼和马克禁不住大笑起来。
2
- (of water) go down to a lower or the normal level（水）退：
the floods subside almost as quickly as they arise.
洪水涨得快退得也快。
2.1
- (of the ground) cave in; sink（地面）下沉：
the island is subsiding.
小岛在下沉。
2.2
- (of a building or other structure) sink lower into the ground（楼房等建筑）下陷：
a ditch which caused the tower to subside slightly.
一条造成塔稍微下陷的壕沟。
2.3
- (of a swelling) reduce until gone（肿）消退：
it took seven days for the swelling to subside completely.
过了七天肿才完全消退。
2.4
- no obj., with adverbial sink into a sitting, kneeling, or lying position坐下; 跪下; 躺下：
Patrick subsided into his seat.
帕特里克瘫坐到椅子里。
词源
late 17th cent.: from Latin subsidere, from sub- 'below' + sidere 'settle' （related to sedere 'sit'）.