“随心”的英文句子可以表达为以下几种：

As one wishes

Be satisfied

My Life to Live

Vivre sa vie

Playing by Heart

Arbitrary

Let you enjoy

a piacere

Let loose

Free-wheeling

Carve for oneself

Follow your heart

Follow your will

Fulfill one's desire

Find sth. satisfactory； be gratified

这些句子都可以用来表达“随心”这个概念，具体使用哪个句子取决于你想要表达的具体情境和语气。例如，“Follow your heart”通常用来鼓励某人听从内心的指引，而“As one wishes”则更侧重于表达一种随心所欲、不受约束的状态。