um [i 6m, 6?, qm, q? ]    (¼øÀ§: 13582 - ´ëÁ¹ ¼öÁØ)  
¶æ °¨) À½, Àú, ¾Æ´Ï
Mean Used to express doubt or uncertainty or to fill a pause when hesitating in speaking.
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