[译] 人们被禁止在人行道上骑自行车。
[误] People are prohibited to ride on the sidewalk.

[正] People are prohibited from riding on the sidewalk.
[注] 根据 prohibit 的用法要求，表示“禁止某人做某事”，应该说 prohibit sb. from doing sth.，而不能在 prohibit 后跟动词不定式复合结构。