What is another word for study at childish?
Pronunciation: [stˈʌdi at t͡ʃˈa͡ɪldɪʃ] (IPA) 
There are several synonyms for the phrase "study at childish," all of which describe behavior or attitudes that are immature or lacking in seriousness. Some potential alternatives might include phrases like "study in an immature manner," "study with a juvenile approach," or "engage in childish study habits." These phrases could be used to describe individuals who do not take their studies seriously, who procrastinate or avoid studying altogether, or who exhibit behavior that is more appropriate for a child than an adult. While it is important to maintain a sense of playfulness and creativity, it is ultimately important to approach learning and personal growth with a sense of dedication and maturity.
