to clam up
[phrase form: clam]
01
stänga igen, plötsligt tystna
to suddenly become silent or refuse to talk, often because of nervousness, fear, or a desire to keep information secret
Exempel
The shy teenager would clam up in social situations, making it difficult for others to get to know him.
Den blyga tonåringen tystnade i sociala situationer, vilket gjorde det svårt för andra att lära känna honom.
