Catch on and Look-see

Catch on verb - Understand, usually after some initial difficulty.

Look-see and catch on are semantically related in make sure topic. In some cases you can use "Look-see" instead a verb "Catch on".

Look-see noun - A close look at or over someone or something in order to judge condition.

Catch on and look-see are semantically related in make sure topic. Sometimes you can use "Catch on" instead a verb phrase "Look-see".