cagey
adjective informal uk/ˈkeɪ.dʒi/ us/ˈkeɪ.dʒi/ cagier | cagiest
守口如瓶的，讳莫如深的
unwilling to give information
He was very cagey about what happened at the meeting. 他对会上发生的事情闭口不谈。
Compare: charycircumspect wary
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