reinforce
/ˌri:ɪnˈfɔ:s; ˌriɪn`fɔrs/ v[Tn]
1 make (sth) stronger by adding material, etc （以添加材料等）加固（某物）
reinforce the sleeves of a jumper, eg with elbow patches 在套头毛衣肘部加补钉
reinforce a wall, bridge, dyke, etc 把墙、 桥、 堤坝等加固.
2 (fig 比喻) give more support to (sth); emphasize 给（某事物）更多的支持; 加强
reinforce sb's opinion, argument, conviction,etc 支持某人的意见、 论点、 信念等
This evidence reinforces my view that he is a spy. 这个证据证实了我认为他是间谍的这一看法.
3 increase the numbers or military strength of (sth) 增加（某事物）的数量或军事力量
reinforce a garrison, fleet, etc 增援驻军、 舰队等
Our defences must be reinforced against attack. 我们必须加强防御设施以抵抗敌人的进攻.