29 Old HSK word(s): ☊反对 ** A ☊反应 ** B ☊反映 ** B ☊反正 ** B ☊相反 ** B ☊违反 ** B ☊反动 ** B ☊反复 ** B ☊反抗 ** B ☊反问 ** C ☊返 ** C ☊反 ** C ☊反 ** C ☊反而 ** C ☊反击 ** C ☊反射 ** D ☊反思 ** D ☊反之 ** D ☊返回 ** D ☊造反 ** D ☊往返 ** D ☊反驳 ** D ☊反常 ** D ☊反倒 ** D ☊反感 ** D ☊反革命 ** D ☊反攻 ** D ☊反馈 ** D ☊反面 ** D


Definitions from Unihan Copyright © 1991-2015 Unicode® Inc. All rights reserved.

反 reverse, opposite, contrary, anti
面 face / surface / plane / side, dimension

Hsk Characters: 返 * 反 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
反 53CD + 反 + + reverse, opposite, contrary, anti 又 反 Hand2 反 (UMWENDEN) fan3 +
返 8FD4 + 返 + + return, revert to, restore 辵, 辶 反 Proceed 反 (UMWENDEN) fan3 +

Korean:
22 NHSK word(s): 反映* 4 fan3 ying4to mirror/ to reflect/ mirror image/ reflection/ fig. to report/ to make known/ to render/ used erroneously for 反應|反应; response or reaction 相反* 4 xiang1 fan3opposite/ contrary 反对* 4 fan3 dui4to fight against/ to oppose/ to be opposed to/ opposition 反应* 5 fan3 ying4to react/ to respond/ reaction/ response/ reply/ chemical reaction/ CL:個|个[ge4] 反正* 5 fan3 zheng4to put things back in order/ to return to the correct path/ in any event/ come what may/ whatever happens (I'm still sure it's right)/ anyway 往返* 5 wang3 fan3to go back and forth/ to go to and fro 违反* 5 wei2 fan3to violate (a law) 反而* 5 fan3 er2instead/ on the contrary/ contrary (to expectations) 反复* 5 fan3 fu4repeatedly/ over and over 反思* 6 fan3 si1to think back over sth/ to review/ to revisit/ to rethink/ reflection/ reassessment 反问* 6 fan3 wen4to ask (a question) in reply/ to answer a question with a question/ rhetorical question 反之* 6 fan3 zhi1on the other hand.../ conversely... 造反* 6 zao4 fan3rebel/ revolt 反驳* 6 fan3 bo2to retort/ to refute 反常* 6 fan3 chang2unusual/ abnormal 反倒* 6 fan3 dao4but on the contrary/ but expectedly 反动* 6 fan3 dong4reaction/ reactionary 反感* 6 fan3 gan3to be disgusted with/ to dislike/ bad reaction/ antipathy 反抗* 6 fan3 kang4to resist/ to rebel 反馈* 6 fan3 kui4to send back information/ feedback 反面* 6 fan3 mian4reverse side of sth/ opposite side of some topic/ the other side 反射* 6 fan3 she4to reflect/ reflection (from a mirror etc)/ reflex (i.e. automatic reaction of organism)
KOREAN6000 word(s):
KOREAN 2500 New HSK words):
KOREAN Sentence(s):