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how long is a piece of string?
释义
●
how long is a piece of ˈstring?
(
BrE
,
spoken
)
used to say that there is no definite answer to a question
（表示没有确切的答案）说不准
◆
‘How long will it take?’ ‘How long’s a piece of string?’
“需要多长时间？”“没准儿。”
随便看
on neutral ground/territory
on neutral territory
on no account
on oath
on occasion
on occasion(s)
on occasions
on/off duty
on offer
on/off message
on/off the air
on/off the radar (screen)
on/off the/sb’s books
on one hand…on the other …
on/onto the defensive
on order
on pain of sth
on paper
on present form
on principle
on production of sth
on purpose
on record
on red alert
on sale
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更新时间：2026/4/19 11:57:23