We should let sleeping dogs lie.
- Deberíamos dejar descansar a los perros dormidos.
We will take a rest soon.
- Pronto descansaremos.
I advised him to take a rest.
- Le aconsejé que descansara.
Tom, who had been working all day, wanted to have a rest.
- Tom, que había estado trabajando todo el día, quería descansar.
I have no time to have a rest.
- No tengo tiempo para descansar.