bn:00095823v
Verb Concept
EN
work at  work on
EN
To exert effort in order to do, make, or perform something WordNet 3.0
Definitions
Examples
Relations
Sources
Links
EN
To exert effort in order to do, make, or perform something WordNet 3.0 & Open English WordNet
EN
The child worked at the multiplication table until she had it down cold WordNet 3.0 & Open English WordNet
IS A
HAS KIND
WordNet 3.0 & Open English WordNet