showing that the speaker is not sure(不能十分肯定)或是什麼;或是做點什麼 Don't idle away your time;do some writing or something. 別虛度光陰,寫點東西或是做點別的什麼事兒。 Haven't seen you for a long time. Have you been on business or something?好久沒見你了。是出差了還是怎麼的?