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*and about time too !   C’est pas trop tôt!

* appointed moment  l'heure du rendez-vous

* late en retard

* on the dot  à l'heure pile

*tardiness  retard

* Time is money

*(to) have time on one's hands  ne pas savoir quoi faire "Old people often sit around with time on their hands"

*Time and tide wait for no man  le temps perdu ne se rattrappe jamais.

*time effective  gain de temps "I don't think it would be that time effective!"

*time hanging on your hands  have or get more free time than one can usefully fill with work or other activities.

*time –warp  distorsion spatio-temporelle