He swore off alcohol after a particularly bad hangover.
smoking
Frequency:
75
%
She finally swore off smoking after years of trying to quit.
junk food
Frequency:
70
%
After gaining weight, she decided to swear off junk food.
sweets
Frequency:
60
%
In an effort to improve his health, he swore off sweets.
Idiomatic Expressions for swear off
Phrase: swear off the sauce
Meaning: to stop drinking alcohol
Usage: After a particularly wild night out, he swore off the sauce and decided to live a sober life.