# eat the Passover

"observe the Passover" or "celebrate the Passover" 

# the second month on the fourteenth day

"day 14 of month 2." This refers to time in the Jewish calendar. 

# at evening

"at sunset"

# with bread that is made without yeast

"with bread that contains no yeast"

# bitter herbs

These are small plants that have a strong and usually bad taste.