I have no choice. 我别无选择。

实用句式：I have no choice but + to do 或 +doing sth. 或 +do sth

例句一：

I have no choice but to tell them. They're gonna find out anyway so it's better to let them know sooner.

我除了告诉他们别无选择。他们最终还是会知道的，所以还不如早点他们知道。

例句二：

Shelly has no choice but to listen to her parents. If she doesn't, they'll stop paying for her tuition.

Shelly除了听他父母的话别无选择。如果她不听的话，她父母就不会帮她付学费了。

There's no other choice but to… 除了这个没有别的选择了

例句一：

There's no other choice but to go to Dallas. My boss has already made the decision.

除了去达拉斯就没有其他选择了。我老板已经做了决定了。

例句二：

There's no other choice but to sell my laptop. I really need the money right now to pay rent.

除了把我的电脑卖掉就没有其他办法了。我现在急需现金来付房租。

除了no choice but这种表达，还有其他更加口语化的表达哟：

My only option is to… 我唯一的选择就是…

例句一：

Your only option is to apologize to Carrie. Everyone's taking her side so you really have no choice but to do it.

你唯一的选择就是向Carrie道歉。所有人都站在她那边，所以你没有其他选择。

例句二：

My only option is to ask Chris for help. Even though I hate the guy, he's the only one I know who has a car.

我唯一的选择就是向Chris求助。虽然我恨透了他，但他是我认识的人当中唯一一个有车的人。

…is the only way. 我别无选择。

例句一：

Being late is the only way. There's no way I can leave early. I'm sorry but he'll have to wait.

我只能迟到了。我没法早走，非常抱歉，他得等我一下了。