메뉴, 버튼, 안내 문구에 적용돼요.학습 콘텐츠는 영어로 유지돼요.
/nɒt wɜ(r)t̪ʰ eː ˈwɪs(ə)l/
of little or no value or importance.
“The old car was not worth a whistle anymore.”