To be is an English equivalent of 'être', as an infinitive. Being or person may be equivalents of 'être' as a masculine noun. Either way, it's pronounced 'ehtr'.
This is french for very good
That is not Spanish but French, it needs "très" not "tre's" and it means very pretty skirt.
a centimeter is the (American) English spelling for the French "centimètre". It is usually spelled "centimetre" in British English.
no
Due, tre in Italian means "Two, three" in English.
a meter is spelled 'un mètre' in French.
The term means 'You and I 3 meters above the sky' when translated into English. This is a french term and is probably used for showing love and affection.
"Theater of the Old" is an English equivalent of the French phrase Théâtre du Vieux. The performing arts-related phrase also translates into English as "Theater of the Ancient" or "Theater of the Elderly" according to context. The pronunciation will be "tey-at dyoo vyuh" in northerly French and "tey-a-truh dyoo vyuh" in southerly French.
"Three couples" is an English equivalent of the Italian phrase tre coppie.Specifically, the number tre means "three." The feminine noun coppie means "couples." The pronunciation is "treh KOHP-pyeh."
Cléopâtre
A rain gauge is 'un pluviomètre' (masc.) in French.
Young master is "jeune maître" in French.