1630s, "action of bringing to a center," noun of action from verb concentrate (v.). Meaning "a mass so collected" is from 1670s; "continuous focus of mental activity" is from 1846.
雙語例句
1. We lacked concentration and it cost us the goal and the game.
我們注意力不夠集中，結果丟了球，輸了比賽。
來自柯林斯例句
2. I knew that concentration was the first requirement for learning.
我知道專心致志是學習的首要條件。
來自柯林斯例句
3. He plays the character with tremendous concentration combined with a pleasing modesty.
他表演這個角色時傾注了巨大的心血，而且非常謙虛和善。
來自柯林斯例句
4. Total concentration is required with no distractions.
要全神貫注，不能有絲毫分神。
來自柯林斯例句
5. Neal kept interrupting, breaking my concentration.