Vocabulary consisting only from characters you are able to read
やる気
jaruki
willingness (e.g. to do something)/eagerness/motivation/inspiration/determination/high aspirationsjlpt3
耳にする
miminisuru
to hear, to hear by chance, to hear by accident, to catch (the sound)suru
貝
kai
(1)(uk) Japanese babylon (species of shelled mollusk, Babylonia japonica), Japanese ivory shell, (2)(abbr) spinning top (traditionally made from a Japanese babylon shell)