订婚

be engaged; engage; betroth; be betrothed to; promise to marry; give one's hand to sb.; engaged; betrothed; engagement; betrothal

快乐

happy; up; gay; glad; jolly; joyful; cheerful; delighted; merry; blissful; pleased; gaiety; happily; joyfully; cheerfully; gaily; merrily; happiness; joy; pleasure; fun; cheer; delight; enjoyment; cheerfulness; merriment; felicity; gladness; enjoy; entertain; rejoice; gladden; with pleasure