no obj.
1- make a sharp sibilant sound as of the letter s咝咝作声：
the escaping gas was now hissing.
泄漏的气体现正咝咝响。
1.1
- (of a person) make such a sound as a sign of disapproval or derision（人）发嘘声（表示反对或嘲笑）：
the audience hissed loudly at the mention of his name.
一提到他的名字观众就大声发嘘声。
1.2
- with obj. express disapproval of (someone) by making such a sound发嘘声（表示不赞成某人）：
he was hissed off the stage.
他被嘘下了台。
1.3
- reporting verb whisper something in an urgent or angry way（紧急或生气地）小声说：
he hissed at them to be quiet
他小声让他们安静下来
with direct speech 'Get back!' he hissed.“回来！”他小声说。
1
- a sharp sibilant sound咝咝声：
the spit and hiss of a cornered cat.
一只走投无路的猫发出的呼噜、咝咝的叫声。
1.1
- a sound such as this used as an expression of disapproval or derision（表示反对或嘲笑的）嘘嘘声：
a hiss of annoyance.
恼怒的嘘声。
1.2
- mass noun electrical interference at audio frequencies（声频的）噪音（或杂音）：
tape hiss.
磁带的杂音。
词源
late Middle English (as a verb)： imitative.