a mouthful of

基本解释

The problem is you're sharing germs with everyone else in the pool, and they can be transmitted as easily as swallowing a mouthful of water while playing Marco Polo.
问题在于，泳池里每个人的病菌都可以传给其他人，而你可能仅仅因为在玩马可波罗（注）的时候咽了一口水下去，就被传染到了。
Despite the proximity of a mouthful of razor-sharp teeth, Mr Nachoum insisted he was not in danger.
尽管与这排锋利的牙齿距离如此地近，纳科姆还是坚称当时并不危险。
Transitioning from that gummy grin to a mouthful of gleaming teeth is a rite of passage that can take your little one three years to complete.
从咧开无牙的嘴笑，到满嘴闪闪发光的皓齿，这个转变是宝宝成长中的重要仪式，并且需要他三年的时间来完成。

He came upon Pedro Beato, a boyish six-foot-four-inch rookie pitcher with a broad smile displaying a mouthful of braces.
NEWYORKER: Madoff’s Curveball