Lady Macbeth said King Duncan resembled her father too much and therefore she couldn’t kill him herself.
Answer:
That's a simile ^^
Explanation:
It's indicated by the "like" in the phrase.
I'd say "jealousy." Look at line 1-5; Helena compares herself to Hermia's attractiveness; "if so, my eyes are often wash'd than hers"..."No, no, I am as ugly as a bear..."
A colon is used to explain a enumeration. A enumeration is a complete, ordering listing of all the items in a collection. I searched it up give the credit to Google.