快こころよく

adverb

comfortably; pleasantly; cheerfully

Describes a comfortable, pleasant state or manner, often used with verbs like 過ごす, 眠る, or 笑う.

• 新あたらしいソファで快こころよく過すごせた。

  I was able to spend time comfortably on the new sofa.

• 彼かの女じょは快こころよく笑わらってくれた

adverb

willingly; gladly; readily

Expresses doing something with a willing, positive attitude, often in response to a request or invitation.

• 彼かれは快こころよく手伝てつだってくれた。