It is bad manners to talk with your mouth full.

嘴里塞满了东西跟人说话是不礼貌的。

《牛津词典》

Nibs is speaking with his mouth full.

尼布斯在说话，嘴里塞满了东西。

youdao

The Mole shouted, with his mouth full.

鼹鼠莫尔喊着，嘴里塞得满满的。

youdao

The confit is melt-in-your-mouth, the gravy is full-bodied and indulgent and the onions are beautifully sweet with a touch of balsamic tartness that cuts through the richness of the sauce.

BBC: How the Quebecois came to love poutine

NeoDigits has created an audiophile grade high-def media center DVD player. (that's a mouth full) This player utilizes high-end grade construction with equally as impressive components.

ENGADGET: High-end DVD up-scalers - a great alternative? HD

Moving over to a side stage, Harwell was able to perform another tune--and this time, the main screen of the keynote stage showed a full-on virtual Smash Mouth, with digital avatars of each band member reflecting their real-world movements.

FORBES: Intel In The 3-D Fast Lane