grossir

Je ne veux pas grossir.

I don't want to gain weight.

L'insuline la faisait grossir.

The insulin was making her fat.

Tu vas grossir si tu manges tant.

You'll fatten up if you eat that much.

Si tu manges trop, tu vas grossir.

If you eat too much, you'll become fat.

Si vous mangez trop, vous allez grossir.

If you eat too much, you will get fat.

Marie a dit à Tom d'y aller doucement sur la glace s'il ne voulait pas grossir.

Mary told Tom to go easy on the ice cream if he didn't want to get fat.

Trop de sucreries font grossir.

Too many sweets make you fat.