投入大量精力英语

pay more attention to do sth

It is important for me about this course,so I have spent a great much of time on it.

put more energy and strength into

投入大量心血英文表达是given a lot effort。

given

词义：动词：赠予；给予；投入。

固定搭配：not given 未给予 ; 未提及 ; 没有提及。

例句：Given the uncertainty over Leigh's future I was left with little other choice.考虑到莉前途未卜，我几乎没有选择余地。

a lot

词义：形容词：许多；大量。

固定搭配：help a lot 很大用处 ; 很大用途 ; 帮助很大 ; 很大用法。

例句：A lot hangs on this decision.

很多事情都取决于这一决定。

effort

词义：名词：努力，精力；有组织的活动；努力的结果，成就。

固定搭配：best effort 尽力而为 ; 尽力服务。

例句：She took a deep breath and sat up slowly and with great effort.她深吸一口气，慢慢地、吃力地坐了起来。

I think this subject is very important so I have pay great attention on it

Invests more energy

I always pay attention to learning this subject,and put into lots of energy on it.