The African-Americans used to fight tooth and nail for the right to vote.
The African-Americans used to fight tooth and nail for the right to vote.
（美国黑人过去为了争取投票权而竭尽全力。）
The African-Americans used to fight tooth and nail for the right to vote.
（美国黑人过去为了争取投票权而竭尽全力。）