hold the balance

基本解釋

In Spain, where nationalists from Catalonia or the Basque Country often hold the balance of power, that makes a difference.
這影響重大，因為在西班牙，加泰羅尼亞地區(qū)和巴斯克自治區(qū)的民族主義者常常在大權(quán)上分庭抗禮。
The Greens will hold the balance of power in the new Senate, potentially offering a chance for some of the government’s controversial plans to pass.
綠黨將在新參議院的實力均衡中起到舉足輕重的作用，為通過一些有爭議的法案提供了潛在的機會。
It was an empty threat: it was soon clear that the independent peers who hold the balance of power in the Lords would oppose any assault on the cherished idea that the House regulates itself.
而這一威脅并沒有奏效：事情很快明了了，這些維持著上議院權(quán)利平衡的獨立的貴族議員們，將對任何挑戰(zhàn)他們的寶貴理念——議院自我規(guī)范——的挑釁進行回擊。

What I am going to do next day is go into the larger stoichiometry and understand the principles of mass balance and reactivity But before you go,hold it,I don't want you racing off.
下堂課我要做的是,討論化學(xué)計量學(xué)，和,質(zhì)量平衡很反應(yīng)定律,但在下課之前，我不希望你們這么快走。
麻省理工公開課 - 固態(tài)化學(xué)導(dǎo)論課程節(jié)選

The small nationalist parties from Catalonia, the Basque country and elsewhere hold the balance of power.
ECONOMIST: Spain
More importantly, they may well hold the balance of power in the next Parliament.
ECONOMIST: Liberal Democrats
Yet the drug-financed warlords who hold the balance of power are still rooted in the tribal system.
ECONOMIST: Far more than two sides to the conflict