call a cab
动词 v.
英文释义
动词 v.
-
To raise one's arm to maintain balance while riding.
— An habitually raised arm, termed 'calling a cab', was the trademark of amateurism.
- Used other than figuratively or idiomatically: see call, cab. (to summon a taxi)
词源
(raise arm while riding): From the similarity to the raised-arm gesture used to summon a taxi.
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数据来源: Wiktionary