It is not that I 'm unwilling to go with you, but that I' m very busy now.

不是我不愿和你一道去，而是现在我非常忙。

youdao

Mary: I"m very busy, may I pay you now?"

玛丽：我很忙，我要求当场交付罚款。

youdao

But I "m very busy."

但是我非常忙。

youdao

I'm very busy this week.

这周我很忙。

I don't know 实战 - SpeakingMax英语口语达人

Even if on Monday I'm very, very busy -- and that proceeds throughout the week -- if you know you have a habit of a weekly day of rest, of stopping, then you always know that's out in front of you.

CNN: The importance of a 'stop day'

My friend in the middle of the night 3 a.m. come to my house, because he was very busy and he know that I'm going to start shooting this movie, and he come to my house, he's a very good friend, he said, Jack you better think twice, you better don't do this movie.

CNN: Interview with Jack Neo