苦心经营

to build up an enterprise through painstaking efforts

bitter / hardship / pain / to suffer / to bring suffering to / painstakingly

painstaking effort / to take a lot of trouble / laborious at pains

heart / mind / intention / center / core / CL:顆|颗[ke1],個|个[ge4]

the Heart Sutra

surname Jing

classics / sacred book / scripture / to pass through / to undergo / to bear / to endure / warp (textile) / longitude / menstruation / channel (TCM) / abbr. for economics 經濟|经济[jing1 ji4]

to engage in (business etc) / to run / to operate

to engage in (business etc); to run; to operate

camp / barracks / battalion / to build / to operate / to manage / to strive for