1. His justification for the merger was just hot air. 他提出的合并理由只是连篇空话。
2. All I can say in justification of her actions is that she was under a lot of pressure at work. 我唯一能为她的行为辩解的理由是她工作压力很大。
3. Reverse spelling (crumb for crum, a word in which b has no justification) is also a trivial mistake. 反向拼写（crum 拼成 crumb，b在这里没有理由存在）也是微不足道的错误。
4. According to Kerber, motherhood became pivotal to the fate of the republic, providing justification for an unprecedented attention to female education. 根据 Kerber 的说法，母性成为了共和国命运的关键，这为前所未有的女性教育关注提供了辩护。
5. The most plausible justification for higher taxes on automobile fuel is that fuel consumption harms the environment and thus adds to the costs of traffic congestion. 提高汽车燃油税最合理的理由是，燃料消耗会损害环境，从而增加交通拥堵的成本。
