The phrase "an effort to undercut" is correct and usable in written English.
It can be used when describing an attempt to weaken or undermine something, such as an argument, position, or competitor.
Example: "The company launched a new marketing campaign as an effort to undercut its rivals and gain market share."
Alternatives: "a bid to undermine" or "an attempt to weaken".
Businesses could pore over them item-by-item in an effort to undercut established contractors.
Mr. Allawi's supporters, many of them Sunni Muslims, denounced the ruling and other moves since the March 7 election as an effort to undercut the voters' will.
The testimony apparently was an effort to undercut the plaintiffs' argument that the proposition was part of a systemic and historical bias against gay men and lesbians.
Nine Kurdish parties boycotted the proceedings and charged that the authorities were encouraging voters to support lists of nominally independent Kurdish candidates in an effort to undercut the opposition.
The broadcasts conceived in the legislation are patterned after Radio Free Europe, which the United States began beaming into Eastern Europe after World War II in an effort to undercut Communism.
On Thursday, however, Trump's incoming White House press secretary, Sean Spicer, said claims of Russian meddling in the election were part of an effort to undercut Trump's mandate to govern.
The Israeli Parliament's antiboycott legislation is an unprecedented effort to undercut nonviolent resistance to Israeli oppression.
But he also has promised a new effort to undercut the president's healthcare law and to set a vote on the Keystone XL pipeline as the Senate's first order of business in January.
"Democrats will fight any effort to undercut Social Security, just as we will fight any plan to replace Medicare with a voucher," he added.
It was unclear whether Mr. Moallem's apparent burst of transparency represented a policy shift by the Assad government on the chemical weapons question or was, as some critics suggested, part of a calculated publicity effort to undercut any remaining American momentum for military action.
When nuclear security and Middle East stability hang in the balance, no member who cares about peace and Israel should participate in this effort to undercut our president.
