Definition
To lose focus or attention on something that one is actively engaged in or responsible for.
分心
We can't afford to take our eye off the ball during the final stage of the project; we must not be careless about any detail.
我們不能在項目的最後階段掉以輕心；我們必須對任何細節都保持警惕。
The coach warned the players not to take their eye off the ball, even when they were leading the game.
教練警告球員們即使在領先的情況下也不能掉以輕心。
When conducting a financial audit, one cannot take their eye off the ball, even with minor discrepancies.
在進行財務審計時，即使遇到小的差異也不能掉以輕心。