This area was formerly within the sphere of influence of the US.

这一地区先前属于美国的势力范围。

《牛津词典》

Meanness happened then too, but the sphere of influence was much smaller.

我们那时候也有欺凌弱者的事情，不过影响范围却小很多。

youdao

The campaigns of enclosing the sphere of influence, launched by media multination corporations, created more and more combination myths.

世界传媒巨头发起的全球圈地运动，掀起了一个个兼并神话。

youdao

The 58-year-old Ghimpu and his pro-Western coalition, dubbed the 'Alliance for European Integration', seek closer ties with the European Union and want to take the former Soviet republic out of Russia's sphere of influence.

VOA: standard.2009.08.29

One of these, he said, was "the 19th Century notion of the sphere of influence".

BBC: Biden pledges support for Georgia

If Europe doesn't get its act together, "the sphere of influence is going to be run from Moscow, " Mr. Hill says.

WSJ: The Weekend Interview with Charles Hill: The Empire Strikes Back

And I wonder how many countries we would have to let be swallowed up into the sphere of influence for Putin to be satisfied.

NPR: Role of U.S. Changing in New World Order