#They sat down to eat bread

"Bread" is a metonym for "food." AT: "They sat down to eat food" or "Joseph's brothers sat down to eat" (See: [[:en:ta:vol2:translate:figs_metonymy]])

#They lifted up their eyes and looked, and, behold, a caravan

Here looking up is spoken of as if a person literally lifted up his eyes. Also, the word "behold" is used here to draw the reader's attention to what the men saw.  AT: "They looked up and they suddenly saw a caravan" (See: [[:en:ta:vol1:translate:figs_metaphor]])

#bearing

"carrying"

#spices

"seasonings"

#balm

an oily substance with a sweet smell used for healing and protecting skin. AT: "medicine"

#traveling to carry them down to Egypt

"bringing them down to Egypt." This can be made more explicit. AT: "bringing them down to Egypt to sell them." ([[:en:ta:vol1:translate:figs_explicit]])

#What profit is it if we kill our brother and cover up his blood?

This can be written as a statement. AT: "We do not gain a profit by killing our brother and covering up his blood." (See: [[:en:ta:vol1:translate:figs_rquestion]])

#cover up his blood

As the brothers talk about killing Joseph the use phrase "his blood" to refer to "his murder." Also, "cover up" means "to hide." AT: "hide his murder" (See: [[:en:ta:vol1:translate:figs_metaphor]])