Sudden

乍

First, Hindered, Initial, Sudden, Unexpected

倏

Abrupt, Sudden

勃

Blossom, Flourish, Prosper, Quick, Sudden

卒

Abrupt, Company, Complete, Dead, Die, Pawn, Servant, Soldier, Sudden

奄

Bathe, Castrate, Control, Drown, Remain, Soak, State, Stay, Sudden, Surround

忽

Abrupt, Dejected, Disregard, Fast, Ignore, Overlook, Quick, Restless, Sudden, Suddenly, Unexpectedly

暴

Brutal, Cruel, Display, Expose, Injure, Show, Storm, Sudden, Violent

欻

Abrupt, Quick, Sudden

激

Abnormal, Arouse, Drastic, Excite, Heated, Incite, Stimulate, Sudden, Unusual, Violent

突

Abrupt, Break, Chimney, Jut, Project, Sudden, Unexpected

陡

Abrupt, Sloping, Steep, Sudden

霹

Break, Given, Peal, Sudden, Violent

驀

Abrupt, Quick, Sudden

驟

Frequent, Gallop, Procedure, Sudden, Suddenly

突兀

Abrupt, High, Lofty, Steep, Sudden, Unexpected

突發

Sudden

霍然

Rapid, Sudden

突如其來

Abrupt, Sudden, Unexpected

突如其來的

Abrupt, Offhanded, Sudden, Unexpected