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water under the bridge

A prior issue that is now resolved or considered resolved. That argument we had is just water under the bridge now—don't even worry about it.
See also: bridge, water

(as) busy as a beaver (building a new dam)

Very busy, assiduous, or hardworking. The phrase refers to beavers' reputation for being extremely industrious. Between working two part-time jobs, volunteering on the weekends, and looking after his little brother, Sam's been busy as a beaver this summer. I've been as busy as a beaver building a new dam this year. I've had almost no free time!
See also: beaver, busy, new

dam up

To block something from flowing freely, typically water in a stream, river, etc. A noun or pronoun can be used between "dam" and "up." If we don't dam up the river, this rain will cause a flood.
See also: dam, up

dam something up

to erect a barrier in a river, stream, brook, etc. We are going to have to dam this stream up to make a pond for the cattle. Let's dam up this stream. Why is this river dammed up?
See also: dam, up

water over the dam

 and water under the bridge
Fig. past and unchangeable events. Your quarrel with Lena is water over the dam; now you ought to concentrate on getting along with her. George and I were friends once, but that's all water under the bridge now.
See also: dam, water

water over the dam

Also, water under the bridge. Something that is over and done with, especially an unfortunate occurrence. For example, Last year's problems with delivery are water over the dam, or Never mind that old quarrel; that's water under the bridge. These metaphoric phrases allude to water that has flowed over a spillway or under a bridge and thus is gone forever. The first term was first recorded in 1797; the variant dates from the late 1800s.
See also: dam, water

water under the bridge


water over the dam

If you say that a bad experience is water under the bridge, you mean that it happened a long time ago and so you do not feel upset or worried about it now. He didn't treat me very well at the time but it's all water under the bridge now. Mr Bruce said that he was relieved it was over and that he regarded his time in jail as water under the bridge. Note: You can also say things such as a lot of water has gone under the bridge to mean that a lot of time has passed or a lot of things have happened since a bad experience. It's almost two years since it happened and a lot of water has gone under the bridge. We're now on speaking terms with Marcia.
See also: bridge, water

water under the bridge

A past occurrence, especially something unfortunate, that cannot be undone or rectified: All that is now just water under the bridge.
See also: bridge, water
References in periodicals archive ?
the dams but left the appropriation of funds to future acts of Congress.
funding for the removal of the Elwha dams on guarantees that the federal
government would not breach dams on the Snake River.
Fragmenting the River: Dams Throughout the Rogue Basin
1) Recently removed dams and several scheduled removals
Maximum depth of regional water in HEC-RAS in this step should be determined with regard to software outputs exposed to flood due to dam break in order to discharge risky regions and lower fatalities in downstream regions.
Also figures 8 and 9 show water depth in time of Eyvashan dam break in Lorestan within 20 hours after Eyvashan dam break in Lorestan for rocket and armed attacks scenarios
Second scenario: Dam break due to floods with '0000 years return period:
To prevent dam destruction, dam body design is based on design floods with 10000 years return period, considering that an occasional flood may have higher risk of dam break.
In time of dam break for this scenario, a flood with peak flow rate of 12000 cubic meters per second was transferred to downstream.
GRAPH) Worcester County communities responsible for more than five dams
10 the governor signed into law a bill making $17 million available through low-interest loans and grants for dam and seawall repairs.
We have been spending increasing time and state resources on dam issues," she said.
Griffin said the division has devoted its efforts to river restoration and dam removal, with an eye toward river health, ecology and public safety.
Often the best thing to do is breach a dam, but sometimes repairs make more sense.