我们试图劝阻他不要花那么多钱。

We tried to ___discourage him ___from spending so much money.

我相信这种评论和不准确的信息会阻止人们参加文化活动。

I believe this kind of comments and incorrect information will ___discourage people ___from attending cultural events.

政府发起了一场运动来劝阻青少年吸烟。

The government launched a campaign to ___discourage teenagers ___from smoking.