where the rubber meets the road
US /wɛr ðə ˈrʌbər miːts ðə roʊd/
UK /wɛr ðə ˈrʌbər miːts ðə roʊd/
1.
真刀真枪的时候, 关键时刻
the point at which a theory or idea is put to a practical test; the crucial point of a situation
:
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All the planning is done, now we're at where the rubber meets the road.
所有计划都已完成，现在到了真刀真枪的时候了。
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When it comes to actually implementing the changes, that's where the rubber meets the road.
当真正实施这些改变时，那才是真刀真枪的时候。