苦労 くろう
kurō

Noun
Suru Verb

1. trouble; hardship; difficulty; labour; labor; toil; pains

せっかくの苦労 くろうもあだになった。
sekkakuno kurōmo adani natta.
All my pains went for nothing.
Noun
Suru Verb

2. anxiety; worry; concern; cares

Other forms: