(pos:副詞)
<explanation>
yue:未經批准
eng:(to do something) without authorisation
<eg>
yue:擅自離開 (sin6 zi6 lei4 hoi1)
eng:to leave a place without authorisation
<eg>
yue:考生不得擅自離開試場。 (haau2 sang1 bat1 dak1 sin6 zi6 lei4 hoi1 si5 coeng4)
eng:Candidates should not leave the hall without authorisation.