After the metaphor of crossing the bridge is realized, you kick the people who helped you away.
Bridge to bridge, road to road metaphor irrelevant things should be strictly distinguished.
Build bridges and roads, build bridges and roads. The old metaphor is enthusiastic about public welfare and donating money to do good.
The ship will go straight to the bridge gate: the bridge. The metaphor is that you don't have to worry about it in advance, and the problem is solved.
The metaphor of crossing the bridge to break it down is to kick the people who have helped you away after you have achieved your goal. Use "kick down the bridge"
Bridge is a bridge, and road is a metaphor of road. Irrelevant things should be strictly distinguished. Take "bridge to bridge, road to road".
Surprise is beyond description.
If the bridge is blocked by water, cross it. Describe not afraid of resistance, go forward bravely.