discourage

英[dɪs'kʌrɪdʒ] 美[dɪs'kɝɪdʒ]

1. try to prevent; show opposition to;

"We should discourage this practice among our youth"

2. deprive of courage or hope; take away hope from; cause to feel discouraged

3. admonish or counsel in terms of someone's behavior;

"I warned him not to go too far"

"I warn you against false assumptions"

"She warned him to be quiet"