xīn​xīn​kǔ​kǔ

painstakingly

辛辛苦苦 xīn​xīn​kǔ​kǔ
painstakingly adverb
with great trouble or effort; to go through much toil or hardship

Frequency

Movie subtitles
1.40 per million appears in 1% of films
Written text
3.09 per million

Cross-References

See

Sources