someone's back is turned
US /ˈsʌm.wʌnz bæk ɪz tɜrnd/
UK /ˈsʌm.wʌnz bæk ɪz tɜrnd/
1.
某人轉身時, 某人不注意時
when someone is not looking or paying attention
:
•
The children started playing pranks as soon as their mother's back was turned.
孩子們一等媽媽轉身，就開始惡作劇。
•
He always tries to sneak a cookie when my back is turned.
我一轉身，他就想偷偷拿塊餅乾。