"To know Italian" is an English equivalent of the Italian phrase sapere italiano.
Specifically, the present infinitive sapere means "to know". The masculine noun italiano translates as "Italian (language)" in this context. The pronunciation will be "sa-PEY-rey EE-ta-LYA-no" in Italian.
Ne so! is an Italian equivalent of the English phrase "I know!" The phrase translates literally as "I know about it!" in English. The pronunciation will be "ney so" in Pisan Italian.
"To know" is an English equivalent of the Italian word sapere. The pronunciation of the present infinitive will be "sa-PEY-rey" in Italian.
Sono molto buone, questa mattina. Sono lieto di sapere che si parla anche italiano
"To know that" is a literal English equivalent of the Italian phrase sapere che. The pronunciation will be "sa-PEY-rey key"* in Italian.*The sound is similar to that in the English exclamation "Hey!"
sapere dove vi trovate
"Please let us know!" in English is Fatecelo sapere! in Italian.
Lascialo sapere! and Lasciatelo sapere! are Italian equivalents of the English phrase "Let it know!" Context makes clear whether one "you" (case 1) or two or more "you all" (example 2) suits. The respective pronunciations will be "LA-sha-lo sa-PEY-rey" in the singular and "la-SHA-tey-lo sa-PEY-rey" in the plural in Italian.
"To know that you* desire him (or it)" is a literal English equivalent of the Italian phrase sapere che lo desiderate. The pronunciation will be "sa-PEY-rey key** lo dey-SEE-dey-RA-tey" in Italian.*The verb is in the second person informal plural ("you all") of the present indicative even though it may be rendered into English -- as in the case here -- as the second person formal singular (just one "you").**The sound is similar to that in the English exclamation "Hey!"
Non sapere niente is an Italian equivalent of the English phrase "To not know anything".Specifically, the adverb non is "not". The present infinitive sapere means "to know". The indefinite niente translates as "anything, nothing".The pronunciation will be "nohn sah-PEY-rey NYEHN-tey" in Italian.
How many things that you don't know is an English equivalent of 'Quante cose che non sai'. The words in Italian are pronounced 'KWAH-tat KOH-say kay nohn seye'.* The interrogative/relative 'quante' means 'how many'. The feminine gender noun 'cose' means 'things'. The interrogative/relative 'che' means 'that'. The adverb 'non' means 'not'. The verb 'sai' means '[you] are knowing, do know, know'.How many things that you don't want to know is an English equivalent of 'Quante cose che non vuoi sapere'. The words in Italian are pronounced 'KWAHN-tay KOH-say kay nohn vwoy sah-PEH-ray'. The verb 'vuoi' means '[you] are wanting or wishing, do want or wish, want or wish'. The infinitive 'sapere' means 'to know'.*The sound 'eye' is similar to the sound in the English noun 'eye'.
The verb sapere is literally "to taste", but can also be used figuratively to mean "to understand". Sapere ex libristhen is "to gain understanding from books".
Sai or Tu sai is an Italian equivalent of the English phrase "You know." .Specifically, the personal pronoun tu means "(informal singular) you." It does not have to be used - other than for emphasis - since the subject is clear from the verb ending. The verb sai is the first person singular of the present indicative of the infinitive sapere ("to know").The pronunciation is "seye."**The sound is similar to that in the English noun "eye."