seasickness
Do you get seasick?
Tom a l'air d'avoir le mal de mer.
Tom looks seasick.
Tous les passagers eurent le mal de mer pendant la tempête.
All the passengers were seasick during the storm.
Le mal de mer l'empêche de voyager en bateau.
Seasickness prevents him from travelling by boat.
Dis-lui que tu as le mal de mer.
Tell him you're seasick.