kee Pluriel
op Zack sinn
auf Zack sein
être rapide être prompt (d'esprit)
to be on the ball to be alert to be on one's toes
ser rápido ser vivo (de espírito)
de Schüler war am Orall op Zack
https://lod.lu/uploads/examples/OGG/62/62a011719bef45df2c355494f2cc5508.ogg
https://lod.lu/uploads/examples/AAC/62/62a011719bef45df2c355494f2cc5508.m4a
fir bei deem Quiz kënne matzehalen, muss een op Zack sinn
https://lod.lu/uploads/examples/OGG/64/64d3b872c8ee8aab80693cc7e8f42058.ogg
https://lod.lu/uploads/examples/AAC/64/64d3b872c8ee8aab80693cc7e8f42058.m4a