drag down

基本解释

Such a commitment could drag down long-term Treasury-bond yields.
这样一个承诺可能拉低美国长期国债的收益率。
Fears that Europe's largest economy is contracting sharply are likely to prove correct and this will drag the euro-area down to lower depths.
对欧洲最大的经济体急剧收缩的担忧有可能被证实，这将会使欧元区经济向更底层滑去。
2：The battle to pass the President's budget plan through Congress turned out to be a real knock-down drag-out fight, with loud arguments, hot tempers and a very close final vote.
原来总统的预算规划在国会通过的时候引起了激烈万分的论战。参与者情绪激愤地大声争辩，表决的票数也十分接近。

Indeed, he says, the TNT investigators had knock-down drag-out fights about exactly what should go in their endpoint--some researchers wanted to include stroke, some didn't.
FORBES: Magazine Article
Once the 2014 baseball season arrives, look for ever more knock-down drag-out fights between networks and cable companies over subscription fees, the same kind that led to Fox pulling part of the 2010 World Series between the Rangers and Giants from Cablevision in New York.
FORBES: Sports Networks Making Risky Bets On Baseball
Mr Daniels, in Indiana, has proposed a similar measure, although he opposes a move by the state legislature to allow employees in any unionised workplace to opt out of paying union dues, as Mr Walker also proposes, for fear it will spark a knock-down drag-out fight with the labour movement.
ECONOMIST: Taking on the public-sector unions