標題:T. Moved to Redefine Birthright Citizenship.That Could Be Hard.

正文：President T. declared on Monday that his government would no longer treat the U.S.-born children of undocumented people as citizens, signaling his intent to essentially ignore the constitutional guarantee of birthright citizenship in a move that is all but certain to invite a legal challenge. His order directed federal agencies not to issue citizenship documents to such children who are born on or after Feb. 20.

知識點：redefine v.

to change the nature or limits of sth; to make people consider sth in a new way改變…的本質(zhì)（或界限）；重新定義；使重新考慮

The new constitution redefined the powers of the president. 新憲法重新規(guī)定了總統(tǒng)的職權(quán)。

We need to redefine what we mean by democracy. 我們需要重新考慮我們對民主的理解。

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