گزارش خطا در معنی کلمه 'clam up'

1 general:: Refuse to talk or respond, as in Whenever she asks her teenager about his activities, he clams up. This term alludes to the tightly closed valves of a live clam. [Slang; early 1900s]

2 general:: Phrase(s): clam up to say nothing. (Closing one’s mouth in the way that a clam closes up.) • The minute they got him in for questioning, he clammed up. • You’ll clam up if you know what’s good for you.