I mean, on one hand, you've got Texas taking a tougher line.

我的意思是，一方面，德克萨斯州采取了更强硬的立场。

The EU is taking a tough line with the UK over this issue.

【tough，toughness，toughly】欧盟在这一问题上对英国采取了强硬的态度。

Researchers should improve their standards, he wrote in Nature in 2012, but journals should also take a tougher line, " engaging reviewers who are statistically literate and editors who can verify the process" .

他2012年在《自然》杂志中写到，研究者应提高他们的专业水准，而杂志要更加严格，“聘用通晓统计的校对员和能核实数据的编辑”。