clam up

短语

拒不开口

发音

AU

词形变化

clammed up clamming up clams up 三单 clams up clamming up 现在分词 clammed up 过去式 clammed up 过去分词

释义与例句

v.
  1. 1.

    To become silent; to stop talking.

    非正式 不及物
  2. 2.

    To make or become clammy.

    及物/不及物

词汇关系

动词

同义词 6

shut-up close up belt up bequiet button up dummy up

上位词 2

refrain forbear

词源

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

来源：wiktionary