老师

teacher; sir; instructor; tutor; mentor; educator; master

节日

festival; holiday; feast; feast day; fiesta; festive

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