Son: I know, but I promise I won't be sleepy tomorrow. I work really hard.

我知道，但是我保证明天不犯困。我学习很努力的。

youdao

Son: I know, but I promise I won't be sleepy tomorrow. I work really hard.

我知道，但是我保证明天不犯困。我学习很努力的。

youdao