1. explain or repeat excessively
1. You don't need to belabor your point any further: five supporting examples are quite enough.
2. assail verbally; trouble or oppress someone with excessive talk
2. He used to go home as late as possible, because at every opportunity his wife used to belabor him with lamentations about her miserable and frustrated life.
divide this word like be (means to exist)+labor--laborer (person who does the labour)so if someone is working as a labourer at some place, they are generally thrashed verbally by their seniors and higher officers. Imagine boss saying "you be labour": he is criticizing, verbally attacking