spanner
noun
ˈspænə
noun
1
a
metal
tool
that
fits
over
a
NUT
,
used
for
turning
the
nut
to
make
it
tight
or
to
undo
it
扳手，扳子;
AmE
2
put/throw a spanner in the works
to
unexpectedly
do
something
that
prevents
a
plan
or
process
from
succeeding
[非正式] 打乱〔计划〕，破坏〔过程〕
informal