我认真了英文

I take it seriously

i'm serious 或者 i mean it

认真的英文earnest。

音标：英 [ˈɜ:nɪst]   美 [ˈɜ:rnɪst]

释义：认真;诚挚;热心;定钱，保证金

1、Despite her earnest efforts, she could not find a job.

尽管她已尽心竭力，但是仍然找不到工作。

2、The work on the house will begin in earnest on Monday.

这栋房子的修建工作将在星期一正式开始。

3、You may laugh but I'm in deadly earnest .

你可以笑，不过我可是正经八百的。

4、I could tell she spoke in earnest.

我看得出她是郑重其事地说的。

5、He's not really a very serious person.

他并非完全是一个非常严肃的人。

serious careful conscientious 都可以啊

i am serious

I'm serious.

I'm really serious this time.