at a loss

I'm selling my car at a loss.

Je vends ma voiture à perte.

I'm at a loss about what to do with the mess.

Je ne sais plus quoi faire de ce bazar.

I was at a loss as to what to say.

Je ne savais plus quoi dire.

She was at a loss as to what to do.

Elle ne savait pas quoi faire.

Never sell at a loss.

Ne vends jamais à perte.

He was at a loss what to do next.

Il ne savait plus quoi faire.

I am at a loss to know now why you did not advertise.

Je ne comprends pas pourquoi tu n’as pas fait de publicité.

“I’m at a loss,” I said.

« Je ne sais plus quoi faire », ai-je dit.

Sell things at a loss?

Vendre des choses à perte ?

Tom was at a loss how to express himself.

Tom ne savait pas comment s’exprimer.