翻译成英文非常对不起没有及时的给你回复邮件，希望没给你造成什么损失或希望没打乱你的计划．

Very sorry for my late reply, hope it doesn't bring any trouble to your plan.

I am very sorry for not replying you Email in time,

I hope it did not bother you too much.

sorry for lately emailing you back. hope not to take you loss or diturbe your plan.

I am so sorry for late reply, and I hope it doesn't bring any trouble to your plan.

I am so sorry for not having gotten back to you sooner,I hope it didn't cause losses to you or mess up your plans.