1. Prevent sb. from doing sth.

这个短语与原表达的意思非常接近，同样表示阻止某人做某事。例如：“His parents prevented him from going out at night.”

2. Stop sb. from doing sth.

“Stop” 也可以用来表达类似的含义，尤其是在强调动作的即时性时。比如：“The teacher stopped the students from talking during the exam.”

3. Hinder sb. from doing sth.

这个词带有一定的正式色彩，意味着阻碍或妨碍某人完成某件事情。例如：“The heavy rain hindered us from reaching the station on time.”

4. Discourage sb. from doing sth.

此表达侧重于通过劝说或其他方式让某人放弃做某事的想法。例如：“She discouraged her friend from taking such a risky job.”

5. Thwart sb. in doing sth.

这是一个稍微有些正式或者文学化的表达，表示挫败某人的计划或行动。例如：“The police thwarted their plans to rob the bank.”

6. Keep sb. away from doing sth.

如果你想特别强调保持距离或避免接触某种行为，则可以使用此表达。例如：“They kept the children away from playing near the road.”

7. Block sb. from doing sth.

这一短语通常用于描述物理上的障碍物阻挡了某人的行动路径。例如：“A fallen tree blocked them from entering the village.”

以上这些替换选项都可以根据具体语境灵活选用，帮助丰富你的语言表达能力。当然，在实际写作或口语交流过程中，还需要结合上下文来选择最合适的词汇哦！