chéng​quán

help achieve

成全 chéng​quán
help achieve verb
to help someone accomplish their aim or fulfill their wish, often by making a sacrifice

Since he truly wants to go abroad for further study, you should help him fulfill his wish.

Frequency

Movie subtitles
1.31 per million appears in 1% of films
Written text
4.65 per million

Sources

Definitions
CC-CEDICT