敲门砖 (敲門磚) qiāomén zhuān

qiāomén zhuān set phrase a brick to knock on a door; to use a temporary expedient
Domain: Common Saying 俗语 , Subdomain: , Concept:
Notes: (CC-CEDICT '敲門磚'; Guoyu '敲門磚'; Mathews 1931 '敲門磚', p. 100)

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Truncated for common words