A noise made by forcing the breath between the tongue and upper teeth, and resembling that made by a serpent or goose.

嘶嘶声(似蛇或鹅所发之声)。

A similar sound expressing derision or disapproval.

轻蔑声；嘘声。

To utter such a sound, esp. as expressing disapprobation or contempt.

发嘘声表示不赞成或轻蔑之意。

To condemn or express contempt for by such a sound.

发嘘声表示轻蔑。