我必须拒绝偏袒任何一位候选人。

I shall esteem it a favour if you would pay us a visit.

youdao

我很感谢你的邀请。可是，我必须拒绝。

I thank you for the invitation, but I must decline.

youdao

很抱歉，我必须拒绝你。

I'm sorry to turn you down.

youdao

我保证，每次你答应别人什么事的时候，就意味着，无论你愿不愿意，你必须拒绝另一件事。

Remember, every time we say yes to something, we must necessarily say no to something else, whether we want to or not. I guarantee it.

youdao

我很抱歉必须拒绝你的盛情邀请。

I must regretfully decline your kind invitation.

youdao

我很抱歉必须拒绝你。

I am sorry to turn you down.

youdao

我很抱歉必须得拒绝你，因为晚上我有事。

MM:I am sorry to turn you down, because I have other plans.

youdao

我很抱歉必须拒绝你。

Sorry that I turned you down.

youdao

我很抱歉必须拒绝你。

Sorry that I turned you down.

youdao