3 Old HSK word(s): ☊返 ** C ☊返回 ** D ☊往返 ** D
重返* * 积重难返* * 流/留连忘返* * 遣返* * 一去不复返* *

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

一 one / a, an / alone
去 go away, leave, depart
不 no, not / un- / negative prefix
复 return / repeat / repeatedly
Hsk Characters: 返 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
返 8FD4 + 返 + + return, revert to, restore 辵, 辶 反 Proceed 反 (UMWENDEN) fan3 +

Korean:

返 + 返 돌아올 반 (to come back, to return)
1 NHSK word(s): 往返* 5 wang3 fan3to go back and forth/ to go to and fro
KOREAN6000 word(s):
1 KOREAN 2500 New HSK words):
往返 + wǎngfǎn 왕복하다. 오가다. wangboghada. ogada.
1 KOREAN Sentence(s):
我要一张到哥本哈根的往返票 。 + 코펜하겐으로 돌아가는 표를 한 장 주세요. kopenha-ge-neuro do-ra-ganeun pyoreul han jang juseyo.