不认真考试英语怎么说

不认真考试英语可以用英文表达为 "not take the English exam seriously" 或 "not put effort into the English exam"。这个表达方式源自于英语中对于"认真"的表达方式，即 "take seriously" 或 "put effort into"。
下面是一些例句：
"I didn't take the English exam seriously and ended up failing."（我没有认真参加英语考试，最后挂了。）
"He didn't put effort into studying for the English exam and got a low score."（他没有认真复习英语考试，结果得分很低。）
"She didn't take the English exam seriously and regretted it later."（她没有认真参加英语考试，后来后悔了。）
希望这些信息对你有帮助。