strength /streŋθ/ n.［u］1. 力量，力气：a man of great strength有力气的男人；lift the stone with all one’s strength使出全身力气举起那块石头；build up (lose) strength 增强体力(丧失力量)； gather strength 恢复健康；beyond human strength 非人力所能及 2. 用于习语 in strength 大量：Demonstrators arrived in strength to protest against the closure of the factory.大量示威者前来抗议工厂关门。on the strength of …受到…的影响：I invested in the company on the strength of my brother’s advice.受我兄弟建议的影响我投资这个公司。
strengthen /ˈstreŋθən/ vt. 加强，巩固：strengthen national defence 巩固国防；strengthen unity 加强团结［考句］ Competition, they believe, strengthens the national character rather than corrupt it. 他们认为竞争只会增强而不会削弱民族性格。
