keep up
keep up1) (progress at same speed) [car, runner, person] suivre; [competitors] rester à la hauteur
2) (continue) [price] se maintenir
if the rain keeps up I'm not going — s'il continue à pleuvoir je n'y vais pas
keep [something] up, keep up [something]
3) (cause to remain in position) tenir [trousers]
4) (continue) continuer [attack, studies]; entretenir [correspondence, friendship]; maintenir [membership, tradition]; garder [pace]
to keep up the pressure — continuer à faire pression (for pour obtenir; on sur)
to keep up one's strength/spirits — garder ses forces/le moral
keep [somebody] up [noise, illness] empêcher [quelqu'un] de dormir