开怀

Traditional form:

開懷

Pinyin (reading):

kāihuái

Definitions:

• to one's heart's content
• without restraint

Characters:

• 开 - to open; to start, to initiate, to begin
• 怀 - bosom, breast; to carry in one's bosom

Traditional characters:

• 開 - to open; to start, to initiate, to begin
• 懷 - bosom, breast; to carry in one's bosom