Boy! Once he sets his mind to do something, he really goes at it full steam! I have come to see him in a whole new light.
好家伙！他一旦决心做某事，他是真正以全部精力拼命干的！我对他有全新的看法了。
Boy! Once he sets his mind to do something, he really goes at it full steam! I've come to see him in a whole new light.
好家伙！他一旦决心做某事，他是真正全力以赴。我对他有全新的看法了。
Set one's heart on sth.
决心要（某物或做某事）
Determine sb. against sth.
使某人决定不做某事
When Leos set their minds to do something, they usually do it well.
狮子座的人一旦下定决心做某件事，他们通常会把事情做好。
Try not to at tempt to do something unless you are fully intent on following through with the plans.
在下定决心追随某个计划前不要表现出做某件事情的兴趣。
have half a mind to do sth.
半心半意地去做某事
do sth in a spirit of mischief
以恶作剧的心理做某事
Have the heart to do sth.
[常用于否定句中]有勇气（做某事），忍心（做某事）
think carefully before deciding to do sth
认真考虑后再决定做某事
If Bill Gates was going to be good at something.
倘若比尔.盖茨决定要做好某件事，
encourage sb. To do sth.
鼓励某人(做某事)
She found is a saving grace in Fleur that having set her heart on a thing, she had no change of heart until she got it.
她在芙蕾身上发现一种可取的美德，那就是她一旦下定决心做某件事情，不达目的，决不罢休。
decide in favour of
作出有利于￥的决定赞成做某事判决胜诉
persuade sb to do/not to do sth
说服某人做[不做]某事
be necessary (for one) to do something (go somewhere)
（某人）必须做某事（去某处）
turn one's hand to sth.
承担某事，着手做某事
Delude sb. with sth.
以某事欺骗某人，哄骗某人去做某事