try to do sth.和try doing sth.哪一个是尝试做某事?哪一个是努力做某事?

try to do sth.
是尝试做某事(试一试)
try doing sth.
是努力做某事(要把它做好)

前者是还没做
后者是正在做
比如:
try to make a cake是准备做蛋糕
try making a cake是正在尝试着做蛋糕

Try doing sth. 尝试做某事(这个只是试试看...)(试一试) （结果如何不能预料）
Try to do sth 努力做某事(下了点决心要把它做好了)(要把它做好) （有什么结果）
前者是还没做
后者是正在做
比如:
try to make a cake是准备做蛋糕
try making a cake是正在尝试着做蛋糕
You must try to be more careful. 你可要多加小心。
I tried gardening but didn't succeed.
我试着种果木花卉，但未成功。
He tried （hard） to climb over the fence，but in vain.
他试图翻过那个栅栏，结果没成功。
Since the room was full of smoking，I tried opening the windows and the door.
由于屋里尽是烟，我就打开门窗试试看（情况是否好些）。

以上答案全部扯淡，在国外try to do 与try doing 通用，try to do 偏重行动意愿更强烈一些，都表示有意愿为之努力，为成功多方尝试
attempt to do 表示着手尝试，不强调努力和成功

Try doing sth.尝试做某事(这个只是试试看...) Try to do sth 努力做某事(下了点决心要把它做好了)You must try to be more careful.你可要多加小心.I tried gardening but didn't succeed.我试着种果木花卉,但未成...

Try doing sth. 尝试做某事(这个只是试试看...)
Try to do sth 努力做某事(下了点决心要把它做好了)

You must try to be more careful.
你可要多加小心。
I tried gardening but didn't succeed.
我试着种果木花卉，但未成功。

try to do sth.
是尝试做某事
try doing sth.
是努力做某事