6PHRASE 咂嘴(尤指吃前或吃后,表示很想吃或吃得很香) If you smack your lips, you open and close your mouth noisily, especially before or after eating, to show that you are eager to eat or enjoyed eating. 咂嘴(尤指吃前或吃后,表示很想吃或吃得很香)
'I really want some dessert,' Keaton says, smacking his lips.