| 释义 |
belt and braces
idiomUKinformal
the use of two or more actions in order to be extra careful about something, although only one is really necessary: 双保险，万无一失
I wrote to them and phoned as well - belt and braces, I admit.我既写了信又打了电话给他们——我想应该万无一失了。
SMART Vocabulary: related words and phrases
Cautious and vigilant
abundance
an abundance of cautionidiom
askance
attentive
attentively
diligent
diligent about something/doing something
discreet
due diligence
gingerly
meticulousness
mindful
minutely
narrowly
once
semi-conservative
slowly
snuffly
super-cautious
super-conservative
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