1 Old HSK word(s): ☊顾虑 ** D
毫无顾虑* *

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

毫 fine hair / measure of length
无 negative, no, not / KangXi radical 71
顾 look back / look at / look after
虑 be concerned, worry about
Hsk Characters:
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual

Korean:
1 NHSK word(s): 顾虑* 6 gu4 lv4misgivings/ apprehensions
KOREAN6000 word(s):
0 KOREAN 2500 New HSK words):
0 KOREAN Sentence(s):