下决心的英文：
determine
resolve
make a resolution

参考例句：

He made a firm resolve to give up gambling.
他下决心不再赌博。

Edward will to cooperate with us.
爱德华下决心与我们合作。

I will to pass the exam.
我下决心通过考试。

He is determined to delay no more.
他下决心不再拖延。

I don't remember ever being seesaw after I made my mind up.
我不记得下决心后曾动摇过。

Brian set his heart on becoming a pro baseball player.
布莱恩下决心要做一名职业棒球运动员。

I've made up my mind to straighten out a very complicated subject
我已经下决心把一个非常复杂的题目搞清楚。

I infer from your letter that you have not made up your mind yet.
我从你信中推想，你还没有下决心。

He has determined on proving his friend's innocence.
他下决心为朋友洗清罪名。

Life is just a series of trying to make up your mind. -- T. Fuller
生活只是由一系列下决心的努力所构成。--富勒

resolve是什么意思：
v. 解决；解答；决心，决定；决议；分解；使变成
n. 决心，决意；坚决

These are the resolved problems.
这些是已经解决的问题。

The illusion resolved itself into a tree.
鬼怪变形成了一棵树。

The Government resolved on a bold policy.
政府决定采取大胆的政策。

make是什么意思：
v. 做；制造；生产；使得；获得；准备；引起；开始；使成为，产生；构成
n. 形状；样式；制造；构造；品牌

a man of this make
这种性格的人

make an example of
1.惩罚...以儆戒他人

make a dive for
向￥冲去