fèi​jìn HSK7

strenuous

费劲 費勁 fèi//jìn
strenuous verb + noun
to require great physical or mental effort; to be difficult to do

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

Same as

Antonym

Has erhua variant

Sources