Translation of "Shudder" in French

I shudder to think of it.

D'y penser j'en frissonne.

I shudder at the thought of what might happen.

Je frémis à l'idée de ce qui pourrait arriver.

Shallow are the souls that have forgotten how to shudder.

Les âmes qui ont oublié comment frémir sont superficielles.

She touched me lightly on the nape of the neck with the tips of her fingers and it made me shudder.

Elle me toucha légèrement la nuque du bout des doigts et cela me fit frissonner.

- He shuddered at the terrible scene.
- The terrible scene made him shudder.
- The terrible scene sent shivers down his spine.
- The terrible scene made him tremble in fear.

La scène effroyable le fit trembler de peur.

When lo! – the tale I shudder to pursue – / from Tenedos in silence, side by side, / two monstrous serpents, horrible to view, / with coils enormous leaning on the tide, / shoreward, with even stretch, the tranquil sea divide.

Quand deux affreux serpents, sortis de Ténédos, / ( j'en tremble encor d'horreur ! ) s'allongent sur les flots ; / par un calme profond, fendant l'onde écumante.