1 to brush one's teeth

1 a year-end dinner for employees

1 obsessive-compulsive disorder (OCD)

1 tooth

2 ivory

3 classifier: 颗 kē

1 toothbrush

2 classifier: 把 bǎ

1 an eye for an eye, a tooth for a tooth (idiom)

2 fig. to use the enemy's methods against him

3 to give sb a taste of his own medicine

1 clever and eloquent (idiom); fluent

2 having the gift of the gab

1 gnashing one's teeth (idiom); displaying extreme anger

2 fuming with rage between gritted teeth

1 lit. to bite the teeth tightly (idiom); fig. to grit one's teeth and bear the pain

2 to bite the bullet

1 lit. to prescribe the right medicine for an illness (idiom); fig. to study a problem to find the right way to solve it

2 to take appropriate steps