1. The competitors fought tooth and nail for the championship title.
竞争对手们为了冠军头衔拼尽全力。

2. She defended her thesis tooth and nail against criticism from her peers.
她针对同行的批评坚决捍卫自己的论文。

3. The workers are prepared to fight tooth and nail for fair wages and working conditions.
工人们准备为争取公平的工资和工作条件拼命努力。

4. The two teams battled tooth and nail until the final whistle blew.
两支队伍在最后哨声响起前拼尽全力。

5. The lawyer fought tooth and nail in court to prove her client's innocence.
律师在法庭上拼命努力证明她的客户清白。

6. The opposing political parties are fighting tooth and nail in the upcoming election.
对立的政治党派在即将到来的选举中争得头破血流。