show of hands
noun [ S ] uk/ˌʃəʊ əv ˈhændz/ us/ˌʃoʊ əv ˈhændz/
举手表决
a vote in which people raise one of their hands to show that they support a suggestion
Her re-election to the committee was defeated on/by a show of hands. 她想再次入选委员会，但在举手表决中未获通过。