the world > action or operation > prosperity > success > succeed or be a success [verb (intransitive)] > achieve success (of persons) > in spite of lack of skill or foresight (2)
intransitive. to muddle through: to attain one's object by good fortune rather than good management.
intransitive. to muddle on (now rare), to muddle along: to progress or live one's life in a haphazard or unplanned way; to attempt to cope…