[no obj.]sniff slightly or repeatedly, typically because of a cold or fit of crying 不断地吸鼻子(多指因感冒或哭泣)
noun
an act of sniffing in such a way 吸鼻子 he was restraining his sniffles rather well. 他相当好地控制了自己的抽泣。 ■a head cold causing a running nose and sniffing (因感冒)流鼻涕 she had a slight cough and a sniffle. 她有点咳嗽和鼻塞。