once the main problem is solved, all troubles are solved
death ends all one's troubles
Definitions (粵典–words.hk)
語句
解決咗最根本嘅問題,就解決晒所有問題 solved once and for all; once the core problem is solved, all troubles are solved
解決咗病毒源頭,就一了百了喇。
解决咗病毒源头,就一了百了喇。
gaai2 kyut3 zo2 beng6 duk6 jyun4 tau4, zau6 jat1 liu5 baak3 liu5 laa3. (The problem) will be over once the source of the virus is eliminated.
Definitions (Wiktionary)
phrase, idiomatic
all troubles end when the main trouble ends