shirt
The Italian word for 'shirt' is 'camicia'. It's a feminine noun, and it's used in similar situations as in English. For example, you could say 'Questa è la mia camicia preferita', which means 'This is my favorite shirt'.
I just washed the shirt.
The speaker is expressing that they have just finished washing the shirt. The verb 'lavato' refers to the act of washing, demonstrating past action.
My favorite shirt is blue.
This is a simple sentence in Italian that talks about the speaker's favourite shirt, which is blue in colour.
This shirt is too tight for me.
In this phrase, the speaker is expressing that the shirt they are referring to is too tight for them. 'Stretta' is the Italian word for 'tight', usually used to describe clothing that doesn't fit properly.