Was heißt »anfechten« auf Englisch?

Das Verb anfechten lässt sich wie folgt von Deutsch auf Englisch übersetzen:

Deutsch/Englische Beispielübersetzungen

Die Regierung Trump hat Regeln aus der Ära Obama, welche die Wasserwege unter den Schutz des Bundes gegen Verschmutzung stellten, über Bord geworfen. Diesen Schritt wollen Umweltschützer vor Gericht anfechten.: The Trump administration has thrown out Obama-era rules that expanded federal protection of waterways from pollution, a move environmentalists say they will challenge in court.
Ich weiß, dass das leichter gesagt als getan ist, aber ich finde, du solltest das anfechten.: I know it's easier said than done, but in my opinion you should challenge it.

I don't just want to appeal to your intellects. I want to win your hearts.
Your taste in colour doesn't appeal to me.
The contest is already decided.
He has to contest the will.
After the 13th game, Nepo and Ding are up to 6½ points and the contest is still incredibly exciting. There is still one game left: whoever wins will be the world chess champion; but if it ends in a tie, a tiebreaker will be played.
There is a right of appeal and review against this judgement.
The first official contest for the title of World Chess Champion (a 24-game match) took place in New York, Saint Louis, and New Orleans between Wilhelm Steinitz (the winner) and Johannes Zukertort, in 1886.
An appeal may be lodged.
It's possible to appeal.
It is possible to lodge an appeal.
We'll have a music contest soon.
Who should have won the contest? I think it should have been Tom, not Mary.
The company has responded to the appeal and will make a donation of twenty-five thousand euros.
He's taking part in an international contest.
Mary is taking part in a singing contest.
Mary is planning to participate in a beauty contest.
Tom won the costume contest.
It isn't a beauty contest.
Educators say lessons with stories involving animals appeal to students.
Tom won the pumpkin carving contest.