I must warn you that unless you do something about the situation, I will be forced to take legal action.

我必须正告贵方，除非对目前状况采取措施，否则我将被迫诉诸法律。

youdao

I think it is high time you realized your responsibilities as a member of the community, and I must warn you that unless you do something about the situation, I will be forced to take legal action.

我认为是你应该意识到自己作为社区一员的责任的时候了，我必须向你提出警告，除非你设法改变这种情况，否则我将不得不采取法律行动。

youdao

If you don't get off my land I will be forced to take legal action against you.

如果你不离开我的土地，我将不得不对你采取法律措施。

youdao

But the company argues that it is publishers - and not search engines - that should be forced to take action.

BBC: Google fights Spanish privacy order in court

Speaking before the meeting, Mr Trimble said he would be forced to take action if the government allowed the political process to drift into crisis.

BBC: Trimble presses Reid on IRA ceasefire

If you never failed at anything, you would never be forced to take action to course-correct or try new ways to seize opportunities previously unseen.

FORBES: 5 Things Failure Teaches You About Leadership