english
1
general::
Phrase(s): freeze up 1. Lit. [for something] to freeze and stop functioning. • The joint froze up and wouldn’t move anymore. 2. Fig. [for someone] to become frightened and anxious, and be unable to move, speak, or continue with something. • I froze up and couldn’t say anything more.
McGrawhill's American Idioms And Phrasal Verbs