clam up

动词 v.
中文释义

英文释义

动词 v.
  1. To become silent; to stop talking. informal,intransitive
    — Maybe he … or she … was a witness who refused to clam up … a whistle blower …
  2. To make or become clammy. ambitransitive

词形变化

clams up present,singular,third-person clamming up participle,present clammed up participle,past clammed up past

词汇关系

反义词
talk

词源

By analogy with a clam closing itself. Compare clamshell (“mouth”), clam (“mouth”).
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