Polish up and Think over

Polish up verb - Bring to a highly developed, finished, or refined state.

Think over and polish up are semantically related in study topic. In some cases you can use "Think over" instead a verb "Polish up", when it comes to topics like contemplate, go over again.

Think over verb - Reflect deeply on a subject.

Polish up and think over are semantically related in study topic. Sometimes you can use "Polish up" instead a verb "Think over", if it concerns topics such as contemplate, go over again.