好自為之 [－－为－]

Jyutping hou3 zi6 wai4 zi1
Pinyin hǎo zì wéi zhī

Definitions (Wiktionary)
  1. phrase, as a threat or admonition, derogatory, idiomatic
    [You] better behave yourself, otherwise [you] will be in trouble! / You better watch out for yourself! You have been warned!
  2. phrase, archaic, idiomatic
    to do one's best; to endeavour to do something

好自為之 [－－为－]

Jyutping hou3 zi6 wai4 zi1
Pinyin hào zì wéi zhī

Definitions (Wiktionary)
  1. phrase, archaic, idiomatic, literary
    to like to do everything him/herself in one's own way

好自為之 [－－为－]

Jyutping hou2 zi6 wai4 zi1
Pinyin hǎo zì wéi zhī

Definitions (CC-CEDICT)
  1. to do one's best
  2. to shape up
  3. to behave
  4. to fend for oneself
  5. you're on your own
Definitions (粵典–words.hk)
  1. 語句
    自己​睇​住​自己​；​好好​生活
    look out for yourself
    • 父母唔可以成世跟住你㗎，你出去做嘢，好自為之喇！
      父母唔可以成世跟住你㗎，你出去做嘢，好自为之喇！
      fu6 mou5 m4 ho2 ji5 seng4 sai3 gan1 zyu6 nei5 gaa3, nei5 ceot1 heoi3 zou6 je5, hou2 zi6 wai4 zi1 laa3!
      Your parents can't look after you for your whole life. When you start working, you should look out for yourself.
Examples (粵典–words.hk)
  1. Cantonese
    你身边好多妖孽，自己好自为之。
    你身邊好多妖孽，自己好自為之。
    nei5 san1 bin1 hou2 do1 jiu2 jip6, zi6 gei2 hou2 zi6 wai4 zi1
    • You are surrounded by girls with bad intentions. Be careful.
  2. Cantonese
    父母唔可以成世跟住你㗎，你出去做嘢，好自为之喇！
    父母唔可以成世跟住你㗎，你出去做嘢，好自為之喇！
    fu6 mou5 m4 ho2 ji5 seng4 sai3 gan1 zyu6 nei5 gaa3, nei5 ceot1 heoi3 zou6 je5, hou2 zi6 wai4 zi1 laa3!
    • Your parents can't look after you for your whole life. When you start working, you should look out for yourself.