kǔ​xīn HSK7

painstaking effort

Senses

苦心 kǔ​xīn painstaking effort

trouble taken to achieve something; pains

苦心 kǔ​xīn painstakingly

to do something with great effort or care; painstakingly; to take a lot of trouble

苦心 kǔ​xīn troubled heart

painful or deliberate state of mind; laborious intent

References

classifier 苦心/苦心 片/片
classifier 苦心/苦心 颗/顆