3 Old HSK word(s): ☊彻底 ** B ☊贯彻 ** B ☊透彻 ** D
彻* * 清澈/彻* * 响彻* *

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

响 make sound, make noise / sound
彻 penetrate, pervade / penetrating

Hsk Characters: 彻 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
彻 5F7B + 徹 + + penetrate, pervade / penetrating 彳 切 Foodstep 切 (SCHNEIDEN) che4 +

Korean:

徹 + 彻 뚫을 철 (drill through) or 통할 철 (통하다: to go through) or 관통하다 or 꿰뚫다
2 NHSK word(s): 彻底* 5 che4 di3thorough/ thoroughly/ complete 贯彻* 6 guan4 che4to implement/ to put into practice/ to carry out
KOREAN6000 word(s):
1 KOREAN 2500 New HSK words):
彻底 + chèdǐ 철저하다. 철저히 하다. cheoljeohada. cheoljeohi hada.
0 KOREAN Sentence(s):