I will study very hard. 或者说 I will work very hard.
看你想努力干嘛？I will +() hard, very hard.
方式一：I will be very hard for ....（省略你要努力的部分）
方式二：I will work very hard.
I will work very hard,hard enough.
I‘ll work hard
I'll do all I can to finish it
I'll try my best to
I'll go all through it
I'll try to do it very hard , really hard , I promise .
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