take a lot of effort to / put so much effort into 努力於

effort 努力當概念不可數(a lot of/much effort), 具體的嘗試或不同的努力為可數且用複數 (sbd's efforts)

It takes a lot of effort to learn a new language.
We put so much effort into this project

Her efforts to improve her English were successful.
The government's efforts to reduce pollution have been effective(有效的).

Work hard on it.