The teacher didn't tell you that I don't want you to join the team privately, I'm afraid that you will not perform well, but if you do what I said above, I am willing to work hard to help you get a place from the teacher.
The teacher didn't tell you. In private, I don't want you to join the team. I'm afraid you can't carry out it well. But if you do what I said above, I'm willing to help you fight for the quota from the teacher.<br>
The teacher didn't tell you. In private, I don't want you to join the team, for fear that you won't perform properly. However, if you do what I said above, I will try my best to help you win the quota from the teacher.