strengthen
单词辨析：
指强化某种观点、思想或感觉；也指使建筑、结构等更结实。
The novel reinforced the idea that women should be economically independent.
这部小说强化了这个观点——女人要经济独立。
All buildings in that area have been reinforced to withstand typhoons.
那一地区的所有建筑都已加固，以抵御台风侵袭。
指增强信心、决心等，含激励之义；也指使人在物质或精神上更强大。
The position of that country was fortified by economic recovery.
该国的地位因经济复苏而得到加强。
The decision fortified their determination.
这一决定增强了他们的信心。
We fortified ourselves with a cup of hot coffee.
我们喝了一杯热咖啡提神。
含义广泛，可指加强感情、信仰、关系、实力等，也指使身体强健或加固结构。
Our friendship has been strengthened.
我们增进了友谊。
Workers tried to find some wooden beams to strengthen the outer walls.
工人们想找一些木梁来加固外墙。
Morning exercises have strengthened his health.
晨练增强了他的体质。
The research institution has been strengthened by the arrival of three doctors.
该研究所因3名博士的加入而增强了实力。
相关例句：
This merely strengthens our resolve to win the league
这只会更加坚定我们赢得联赛的决心。
We must strengthen our unity in the face of powerful enemies.
大敌当前，我们必须加强团结。
The study will strengthen the hand of congressmen who want stricter enforcement of the 14-year-old Act.
该研究将使那些希望更加严格执行这项已存在14年的法案的议员影响力加强。
It will draw you closer together, and it will strengthen the bond of your relationship
这将使你们走得更近，并将增进你们之间的关系。
Yoga can be used to strengthen the immune system.
瑜伽能增强人体免疫系统。
He does not seem to be familiar with research which might have strengthened his own arguments.
他对那些本可以为他的观点提供佐证的研究似乎并不熟悉。