Portuguese translation of the English word begin

Portuguese/English
English → Portuguese
  
EnglishPortuguese (translated indirectly)Esperanto
(commence; start; embark on)
começar
;
iniciar
🔗 There, there now, don’t begin that groaning again.
(commence; start; be started; set in; kick off)
começar
🔗 Our troubles are just beginning, I’m afraid.
(commencement; start)
princípio
🔗 That’s what they should have done in the beginning.
(commencement; start; onset)
princípio

EnglishPortuguese
begin⇆ começar; ⇆ encetar; ⇆ iniciar
begin to⇆ começar a; ⇆ meter‐se a; ⇆ principiar a
I can’t begin to thank you⇆ não sei como agradecer‐lhe
to begin with⇆ em primeiro lugar
beginner⇆ principiante
beginning⇆ começo; ⇆ início