to suddenly stop talking, especially when nervous or unwilling
arrêter soudainement de parler, surtout quand on est nerveux ou réticent (arreter soudainement de parler, surtout quand on est nerveux ou reticent)
"She clammed up as soon as I asked about her mistake."
"Elle s'est tue dès que je lui ai demandé à propos de son erreur." (elle **clammed up** des que je lui ai demande a propos de son erreur)
to make many small mistakes because of nervousness
to refuse to change your position when challenged
to remove restrictions on international trade
to regard someone or something as inferior or less worthy
to develop a friendly or cooperative connection with others
to shoot or remove one by one