费劲
fèi​jìn HSK7

strenuous

费劲 (費勁) fèi​jìn
strenuous adjective
to require significant physical or mental effort; laborious or difficult

他年纪大了，走起路来很费劲。

tā nián​jì dà le, zǒu qǐ lù lái hěn fèi​jìn.

He is old and finds it very strenuous to walk.

Frequency
Movie subtitles
4.14 per million appears in 2% of films
Written text
2.87 per million

Details
HSK 3.0
Level 7

Cross-References

Has erhua variant

Sources
Definitions
CC-CEDICT
Frequency data
SUBTLEX-CHBCC Corpus (BLCU)