Assassino, killer and uccisore are Italian equivalents of the English word "killer."
Specifically, all three words are masculine nouns in Italian. The word killer is an English loan word that actually is used quite often. The pronunciations are "AHS-sahs-SEE-noh." "KEEL-lehr" and "OOTCH-tchees-SOH-reh."
Killer numero uno is an Italian equivalent of the English phrase "number one killer." The above-mentioned phrase models Italian language use of an English loan word, followed, not preceded by, the descriptive phrase. The pronunciation will be "KEEL-ler NOO-mey-roo OO-no" in Italian.
When translated from English to Italian a raccoon is a procione
"Out" in English is fuori in Italian.
"About" in English is circa in Italian.
"Or" in English is o in Italian.
"Not italian" in English is non italiano in Italian.
"To have" in English means avere in Italian.
"Who we are" in English is Chi siamo in Italian.
"And you?" in English is E tu? in Italian.
"About me!" in English is Su di me! in Italian.
Questa in Italian is "this" in English.
"You did" in English is Hai fatto! in Italian.