# so that your hearts are not burdened

The "heart" here refers to the mind and thoughts of the person. Alternate translation: "so that you are not burdened"

# are not burdened with excessive drinking and drunkenness

"are not distracted by excessive drinking and drunkenness" or "are not busy with drinking too much wine and becoming drunk"

# the worries of life

"the things you worry about as you live every day"

# that day does not close on you suddenly

"that day does not happen when you are not expecting it" or "that day does not surprise you"

# that day

"the day when the Son of Man comes"