whoof[hwuf; hwu:f]n.1.■[象声词]突然发出的低沉的声音;呼哧声vi.1.■发出吼声;发出呼哧声:He whoofed into the hand mike experimentally before the meeting.会前他向话筒里呼哧呼哧地吹气试验音响效果。interj.1.■唷!(因惊讶、减轻了精神负担等发出的叹息声)