Finally, be serious about love.

最后，严肃第对待爱情。

Please be serious about your work.

请认真对待你的工作。

You should be serious about your job.

你应该认真对待你的工作。

So I must be serious about every exam.

那么我一定要认真地对待每一次考试。

Be serious about your connection to Spirit.

认真对待你与心灵的联系。