Discovery BoxMatthew 2:13 
Context2:13 After they had gone, an 1 angel of the Lord 2 appeared to Joseph in a dream and said, “Get up, take the child and his mother and flee to Egypt, and stay there until I tell you, for Herod 3 is going to look for the child to kill him.”
Matthew 2:19
Context2:19 After Herod 4 had died, an 5 angel of the Lord 6 appeared in a dream to Joseph in Egypt
1 tn Grk “behold, an angel.” The Greek word ἰδού (idou) has not been translated because it has no exact English equivalent here, but adds interest and emphasis (BDAG 468 s.v. 1).
2 tn Or “the angel of the Lord.” See the note on the word “Lord” in 1:20.
3 sn See the note on King Herod in 2:1. Herod the Great was particularly ruthless regarding the succession to his throne.
4 sn See the note on King Herod in 2:1. When Herod the Great died in 4
5 tn Grk “behold, an angel.” The Greek word ἰδού (idou) has not been translated because it has no exact English equivalent here, but adds interest and emphasis (BDAG 468 s.v. 1).
6 tn Or “the angel of the Lord.” See the note on the word “Lord” in 1:20.
