思う存分

to one's heart's content

→ 思う
phrase Rare #38,719
to one's heart's content Used adverbially to mean doing something as much as one likes or to the fullest extent. Often used with verbs such as 楽しむ (enjoy) and 乱用する (abuse).
JA: 休暇中は思う存分楽しみましょう。
EN: Let's enjoy ourselves to our heart's content during the vacation.

彼は思う存分楽しんでいた

He was having the time of his life.

悪名高い独裁者は思う存分特権乱用した

The infamous dictator abused his privileges to his heart’s content.

思う存分楽しみましょう

Let's enjoy ourselves to the fullest!

その独裁者は思う存分特権乱用した

That dictator abused his privileges to his heart’s content.