Although the police say efforts are being made, they are not doing enough.

尽管警方说他们正在努力，但是他们做得还不够。

《柯林斯英汉双解大词典》

The workers of this nature reserve try to clean it by themselves but their efforts are not enough.

该自然保护区的工人们试图靠他们自己来清理，但他们的努力远远不够。

youdao

While many in Europe are focused on using contingent capital as a means to improve resolution, these efforts are not enough.

许多欧洲国家注重于使用应急资本金作为改进解决方案的方式，这些努力还是不够的。

youdao

He said if these efforts were not stopped, the North some day would be powerful enough to change the Constitution and end slavery everywhere.

VOA: special.2009.03.26

Brazilian Ambassador Maria Luiza Ribeiro Viotti said the recent efforts by Brazil and Turkey to negotiate a deal with Iran had not been given enough time to work.

VOA: standard.2010.06.09

Because we know that government efforts are not enough, we are also increasing our partnerships with a broad coalition of local communities, faith-based and non-governmental organizations, schools, and businesses.

WHITEHOUSE: The White House

But such efforts are not enough.

ECONOMIST: The battle to save a vanishing American icon

Ford says it's trying to encourage more gas stations to carry E85 and the energy bill offers a tax credit to stations that put in E85 pumps, but even the ethanol lobby admits that these efforts are not enough to bring E85 closer to most consumers.

NPR: 'Flex-Fuel' Concept Fails to Deliver on Potential