Which of these expresses the meaning "軽い勉強"?
- "軽い勉強" is really not a natural word pairing. "軽い勉強" just sounds weird?
- "皆んなは電子辞書によって漢字を調べるので、部首の勉強は軽い勉強になっています。"
(Because people these days use electronic dictionaries to look-up kanji, studying radicals is not important.) - "その新発売のアプリを使えば、部首の勉強は軽くなります。"
(If you use that new application, the study of radicals becomes much easier to do.)