嗅探犬 Traditional form: 嗅探犬 Pinyin (reading): xiùtànquǎn Definitions: sniffer dog Characters: 嗅 - to sniff, to smell, to scent 探 - to find, to locate; to grope for, to search for 犬 - dog Traditional characters: 嗅 - to sniff, to smell, to scent 探 - to find, to locate; to grope for, to search for 犬 - dog