I can't concentrate with all that noise going on.
吵闹声不绝于耳，我无法集中精神。
Nothing concentrates the mind better than the knowledge that you could die tomorrow(= it makes you think very clearly) .
没有什么比知道自己明天就可能会死去更能让人定下心来去思考种种问题的了。
I decided to concentrate all my efforts on finding somewhere to live.
我决定全力以赴找个住的地方。
Power is largely concentrated in the hands of a small elite.
权力主要集中在少数精英人物的手里。
We need to concentrate resources on the most run-down areas.
我们需要把资源集中用于最衰败的地区。
Fighting was concentrated around the towns to the north.
战斗集中在北方诸城镇的周围进行。
mineral concentrates found at the bottom of rivers
在河底发现的精矿
jams made with fruit juice concentrate
用浓缩果汁做的果酱
1.【化】提浓,浓缩,凝缩;【冶】汰选
2.集中;使...集中于一点
3.专心,凝(神);倾全力
1.浓缩物;【牧】精料;【矿】精砂
1.to give all your attention to the thing you are doing; to give most of your attention to one aim or activity
2.if something is concentrated in an area, that is where it mainly exists
1.a substance that has had water removed from it so that it has a stronger effect, taste, etc.
1.Mindfulness and wisdom concentrate on this point, trying to discover what this knowing really consists of.
念注与智慧集中在这一点上，要了解它到底由什么组成。
2.Her worry makes it impossible for her to concentrate on her work .
她忧伤使她不能把精力集中到工作中来。
3.But if such crawling does not come naturally, I'd skip that too and concentrate on trying to enjoy the day as much as is possible.
但如果这种邀宠来得不那么自然，我也宁愿放弃，并尽可能地专心享受那一天。
4.Ask her to tell you when she's near the top, and then pull back for a few minutes to kiss and concentrate on other parts of her body.
请她告诉你什么时候她快要达到高潮了，那时退出来几分钟，亲吻和爱抚她的其他部位。
5.Coach said that when the firing squad must concentrate , to hit all the enemy of the body .
教练说过，打靶的时候一定要全神贯注，把所有注意击中到敌人身上。
6.Can't you keep the children quiet? I'm trying to concentrate.
你能不能让孩子们静一静？我做事需要精神集中。
7.Damn, Novak is still moving like a headless chicken on the court. He needs to stop chewing gum and concentrate on the game instead.
靠，诺瓦克在场上还是象个无头苍蝇。不要再嚼口香糖了，他必须把注意力集中在比赛上。
8.The faceted red gem at its end may have been used to concentrate and project the energies to the crystal sphere below it.
在竿末端的多面体红宝石可能用来集中和发射能量到下面的水晶球体上。
9.Julius Caesar's army in the rapid, bold, engaged the enemy when the motor is usually hard to concentrate against enemy forces in a flank.
尤利乌斯·恺撒的军队在迅猛，大胆、机动迎击敌军时，通常是集中兵力狠狠打击敌军某一翼侧。
10.Now we have to concentrate on the Bundesliga and at least make sure of our place in this competition (for next season).
现在我们必须专注德甲联赛，最起码要保证我们在下赛季欧冠比赛中的席位。