1 Old HSK word(s): ☊秒 ** B
争分夺秒* *

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

争 dispute, fight, contend, strive
分 divide / small unit of time etc.
夺 take by force, rob, snatch
秒 beard of grain or corn / a second
Hsk Characters: 秒 *
HSK -Characters and beyond:
GbBig5EngRadMegaTripleMultilingual
秒 79D2 + 秒 + + beard of grain or corn / a second 禾 少 Grain 少 (WENIG) miao3 +

Korean:

秒 + 秒 초초{까끄라기묘}
1 NHSK word(s): 秒* 5 miao3second (of time)/ unit of angle or arc equivalent to one sixtieth of a degree
KOREAN6000 word(s):
1 KOREAN 2500 New HSK words):
秒 + miǎo 초. [시간 계량 단위로 60초를 1분(分)이라 함] cho. [sigan gyelyang dan-wilo 60choleul 1bun(bun)ila ham]
1 KOREAN Sentence(s):
一分钟有六十秒。 + 일 분은 육십 초예요. il buneun yukshib choyeyo.