hisses

n.嘘声；嘶嘶声

v.发出嘘声（表示不满）；发嘶嘶声

However, they occasionally snort, hiss, or bark. 不过哑天鹅偶尔会发出呼哧声，嘘声，或吼声。

With a sibilant hiss, the Things began to move. 藉由一声丝丝作声的嘘声，事物开始移动。

When hearing the snake hiss, I felt creepy. 听见蛇的嘶嘶声，我感到毛骨悚然。

The hiss came from an open comms line. 的嘶嘶声来自一个开放的通信线。

Even if you don't like one of the players you should not boo and hiss at them. 即使是你不喜欢其中的一个球员，你不应该对他们发出嘘声。