be left unattended
US /bi left ˌʌn.əˈten.dɪd/
UK /bi left ˌʌn.əˈten.dɪd/
短語
無人看管, 被閒置
to be not being watched or looked after
範例:
•
Baggage must not be left unattended at any time.
行李在任何時候都不得無人看管。
•
The fire should never be left unattended.
火源絕不應無人看管。