on earth
US /ɑːn ɜːrθ/
UK /ɒn ɜːθ/
관용구
도대체, 대체
used for emphasis after a question or to express surprise or shock
예시:
•
What on earth are you doing?
도대체 무슨 짓을 하는 거야?
•
How on earth did you manage to do that?
도대체 어떻게 그걸 해냈어?