Noviro
费劲
Simplified 费劲
Traditional 費勁
Pinyin fèi jìn
Definition to require effort; strenuous
这件事真费劲
Zhè jiàn shì zhēn fèi jìn
This thing is really strenuous
You might also see
劲
jìng
stalwart; sturdy; strong; powerful
使劲
shǐ jìn
to exert all one's strength
HSK4
对劲
duì jìn
suitable; to one's liking; to get along together
差劲
chà jìn
bad; no good; below average; disappointing
没劲
méi jìn
to have no strength; to feel weak; exhausted; feeling listless; boring; of no interest
强劲
qiáng jìng
strong; powerful; robust
干劲
gàn jìn
enthusiasm for doing sth
带劲
dài jìn
energetic; exciting; of interest