int.一种喊声
n.守猎时呼啸猎犬的喊声
v.高呼；喊叫着追赶；高声招呼喊叫
"Halloo!" he shouted to his hounds. “嗨！”他对猎狗喊到。
Do not halloo until you are out of the woods. (谚)未出险境，先别高兴。
