降低效率英文

lower或者reduce

问题解答：

降低工作效率

Decreases efficiency

词汇解释：

|dɪˈkri:s|~ (from sth) (to sth) to become or make sth become smaller in size, number, etc.

（使大小、数量等）减少，减小，降低

|ɪˈfɪʃnsi|

[不可数名词]

the quality of doing sth well with no waste of time or money

效率；效能；功效

不知道前后句式是怎样的，试着翻译了几句，供参考：Learning efficiency is on the decline. 学习效率每况愈下Learning efficiency declines 学习效率降低了The decline of learning efficiency 学习效率的降低……

1There are 4 lessons in the morning.We can't concentrate on listening to the lessons if we don't have breakfast .And this will greatly reduce our learning efficiency

lower work efficiency

如果一定要从你给的4个里选的话，最合适的就是reduce。

Have four lessons in the morning, don't eat breakfast that we cannot listen attentively, which greatly reduces the learning efficiency.