English Experts

[EugenioTM]

PT: Perder tempo, desperdiçar tempo, procrastinar.
EN:

Dilly-Dally (informal)
Waste time

Exemplos:

1. She didn't finish her homework, she was dilly dallying around online instead.
Urban dictionary

2. Come on and get dressed to leave! We don't have time for you to dilly dally!

3. Don't waste your time watching this awful movie.

[GustavoZR]

Pode-se também utilizar o verbo "to dawdle"

To waste (time) by idling: Dawdling the hours away.

Ou também, dependendo da situação, o Phrasal Verb "horse around"

To indulge in horseplay or frivolous activity: Stop horsing around and get to work.

[ronaldo_sf]

Eu ja ouvi n lembro aonde : lose time .. n ta certo ?

[claudemircloud]

sim
"lose time" também pode ser usado como tradução de "perder tempo"


complementando:

don't dilly-dally, just get on with us!
não perca tempo, venha com a gente!