inhibit
/ɪnˈhɪbɪt; ɪn`hɪbɪt/ v
1 [Tn, Tn.pr]
~ sb (from sth/doing sth) prevent sb from doing sth that should be natural or easy to do 使某人不能做轻易可做的事
Shyness inhibited him from speaking. 他因害羞而说不出话来.
2 [Tn] hinder or prevent (a process or an action) 阻碍或抑制（某过程或行动）
an enzyme which inhibits a chemical reaction 抑制化学反应的 .