英语单词分类 轻松记单词
adj.秘密的；偷偷摸摸的
英英释义
"a hole-and-corner life in some obscure community"
"clandestine intelligence operations"
"cloak-and-dagger activities behind enemy lines"
"hole-and-corner intrigue"
"secret missions"
"a secret agent"
"secret sales of arms"
"surreptitious mobilization of troops"
"an undercover investigation"
"underground resistance"
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