dirty old man

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌdirty old ˈman noun [countable] informal  SEX/HAVE SEX WITHan older man who is too sexually interested in younger women – used to show disapproval 老色鬼，老淫棍〔含贬义〕

ˌdirty old ˈman nounChineseSyllable  

dirty old man
ˌdirty old ˈman noun [countable] informal
an older man who is too sexually interested in younger women – used to show disapproval

dirty old manBrE /ˌdɜːti əʊld ˈmæn/ 🔊NAmE /ˌdɜːrti oʊld ˈmæn/ 🔊 noun (informal) an older man whose interest in sex or in sexually attractive young people is considered to be offensive or not natural for sb of his age 老色鬼