“认真”造句
失败的痛苦过去以后，英国人应该
认真反思一下。
After the pain of defeat passes, England have some thinking to do.
他喝了杯咖啡，回来后开始
认真听讲。
He got his coffee, came back and settled down to listen.
要求忠诚意味着你想发展一段严肃
认真的恋爱关系。
Wanting fidelity implies you're thinking about a major relationship.