메뉴, 버튼, 안내 문구에 적용돼요.학습 콘텐츠는 영어로 유지돼요.
/ʌp tʰu̟(ː) ˈsʌm̥(p)θɪŋ/
Engaged in a secretive activity.
“The dog seems up to something behind the couch.”
inoh
inoh