Sei perfetta per me! and Sei perfetto per me! are Italian equivalents of the English phrase "You're perfect for me!" Context makes clear whether a feminine (case 1) or a masculine (example 2) gender suits. The respective pronunciations will be "sey per-FET-ta per mey" in the feminine and "sey per-FET-to per mey" in the masculine in Pisan Italian.
"Beautiful horse" in English is bel cavallo in Italian.
"Beautiful night" in English is bella notte in Italian.
"Beautiful mountains!" in English is Belle montagne! in Italian.
"Beautiful walls!" in English is Bellissime mura! in Italian.
"Beautiful mommy!" in English is Bella mamma! in Italian.
"Beautiful Rome!" in English is Bella Roma! in Italian.
"Beautiful woodland!" in English is Bel bosco! in Italian.
"Beautiful moments!" in English is Bei momenti! in Italian.
"Beautiful dream" in English is bel sogno in Italian.
"Beautiful nephew" in English is bel nipote in Italian.
"Beautiful disaster" in English is bel disastro in Italian.
"We are very beautiful!" in English is Siamo bellissime!in Italian.