rub
US /rʌb/
UK /rʌb/

1.
frotter, frictionner
move one's hand or a cloth repeatedly over a surface while applying pressure
:
•
She began to rub her temples to ease the headache.
Elle commença à se frotter les tempes pour soulager le mal de tête.
•
He used a cloth to rub the dirt off his shoes.
Il a utilisé un chiffon pour frotter la saleté de ses chaussures.
2.
frotter, érafler
cause to move with a continuous friction against a surface
:
•
The branches rubbed against the windowpane in the wind.
Les branches se frottaient contre la vitre sous l'effet du vent.
•
His new shoes began to rub his heels.
Ses nouvelles chaussures ont commencé à lui frotter les talons.
1.
2.
hic, problème
a difficulty or problem, especially one that is hidden or not immediately obvious
:
•
The only rub is that we don't have enough money.
Le seul hic est que nous n'avons pas assez d'argent.
•
Here's the rub: we need to finish this by tomorrow.
Voici le hic : nous devons terminer cela d'ici demain.