Translation guide
To engage in an activity casually, superficially, or as a hobby, without serious commitment.
To do something occasionally for fun, without deep involvement.
Literally 'do ~ as a hobby'. Natural way to say you do something casually for enjoyment.
I dabble in painting as a hobby.
To engage in something without serious commitment or depth.
Literally 'lightly dye one's hands in ~'. Implies dabbling in something, often with a negative connotation (e.g., bad habits).
趣味で is neutral and positive, simply stating a hobby. かじっている implies a light, often unserious attempt, and can sound self-deprecating.
I play guitar as a hobby.
Literally 'nibble at ~'. Implies trying something a little, dabbling.
I dabble a bit in French.
Literally 'put one's hand into ~'. Can mean dabbling in something new, sometimes with a nuance of trying it out.
Lately, I've been dabbling in investing.
In his youth, he dabbled in some bad activities.
Literally 'shallowly nibble at ~'. Emphasizes superficial knowledge or experience.
He dabbles in many academic fields superficially.
I dabble a bit in guitar.