Question

Translate this Romeo and Juliet Shakespeare line into modern day language.?
"By a name I know not how to tell thee who I am. My name, dear saint, is hateful to myself because it is an enemy to thee. Had I it written, I would tear the word." [Act II, scene ii]
O, swear not by the moon, th' inconstant moon, that monthly changes in her circle orb, lest that thy love prove likewise variable

translate it into modern day language and give an explanation of what is going on.

Answer 1

1. "By a name I know not how to tell thee my identity. My name, dear holy person, is scornful to myself since it is a foe to thee. Had I it kept in touch with, I would tear the word." 
2. "O, swear not by the moon, th' irregular moon, that month to month changes in her circle sphere, for fear that that thy adore demonstrate in like manner variable 
3. These seasons of misfortune manage the cost of no circumstances to charm.