开心

happy; joyful; glad; delighted; pleased; elated; cheerful; merry; overjoyed; thrilled; joyous; feel happy; joy; delight; pleasure; amuse; rejoice; make fun of; tickle; happiness; cheerfulness; amusement; mirth; gladness; happily; joyfully; cheerfully; with pleasure; with delight

一天

day; daily; all-day

结束

end; finish; conclude; terminate; closure; close; complete; culminate; desist; wind up; wrap up; bring to a close; call it a day; draw to a close; put an end to; come to an end; hang up; break off; top off; completion; conclusion; termination; ending; final; done; over; closing; through; concluding; terminal; out; last; by the end of; following the conclusion of