Meaning of 只管一向頓 in Japanese

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Definition of 只管一向頓

ひたすら(hitasura) · ひたぶる(hitaburu) 【只管 ·一向 ·頓】

(adj-na, adv) nothing but; earnest; intent; determined; set on (something)
彼はひたすら成功を望んで懸命に働く。
He works hard because he is anxious to succeed.

いっこう(ikkou) 【一向】

ただ(tada) 【只 ·唯 ·徒 ·但 ·常】

(adj-no) ordinary; common; usual
君はただ皿を洗いさえすればいい。
All you have to do is wash the dishes.
free of charge
私はその切符をただで手にいれた。
I got the ticket for nothing.
unaffected; as is; safe
ただ、面白いブログを書くために、人のブログを読むのなら今日から出来る。
However, if you're going to read people's blogs in order to write an interesting blog, you can do that right away.
(adv) only; merely; just; simply
but; however; nevertheless

かん(kan) · くだ(kuda) 【管】