Learn · Idioms Daily Life
Rule of thumb
C1Meaning
A general principle or guideline.
Example sentences
As a rule of thumb, you should always back up your computer data.
A good rule of thumb is to arrive 15 minutes early for important meetings.
Learn · Idioms Daily Life
A general principle or guideline.
As a rule of thumb, you should always back up your computer data.
A good rule of thumb is to arrive 15 minutes early for important meetings.