to undergo constant alteration
to make something better on an ongoing basis
to make a constant effort to do something
to add the most recent information to something constantly
to develop or make something develop gradually and constantly
to constantly improve the quality or usefulness of something
to change position or direction constantly
to watch and check something constantly over a period of time
to constantly look for or try to get something
to constantly assess the value or quality of something
to improve something by making small, constant changes
to constantly try very hard to achieve something
to constantly change or correct something
to make something new or strong again constantly
to attack someone with a lot of questions or information constantly
to be always surprised by something
to be always surprised by something
being ill for a long or repeated period