godan verb (-mu), transitive verb
have a taste for; be fond of; enjoy (in moderation); have an interest in (a hobby)
Used for cultivated enjoyment or appreciation, often with a nuance of moderation or refined taste. Common with hobbies, arts, and food/drink.
彼はワインをたしなむ程度に飲む。
He drinks wine in moderation, just enough to enjoy it.
趣味で茶道をたしなんでいます。
I enjoy tea ceremony as a hobby.
godan verb (-mu), transitive verb
be modest; be prudent; watch one's behaviour
Used for exercising restraint or self-discipline in conduct, often in set phrases like 身をたしなむ or 言葉をたしなむ.
若い者はもっと身をたしなむべきだ。
Young people should be more prudent in their conduct.
彼は言葉をたしなんで、失礼のないように話した。
He watched his words and spoke politely so as not to be rude.