noun · the short remains of plants left in the soil after harvesting or the growth of hair after shaving

他的下巴上冒出了青青的胡茬。

measure word · a classifier for a batch of things produced during a particular cycle, such as a crop

这一茬韭菜长得非常鲜嫩。

noun · something that has just been said or mentioned in the course of a conversation

他刚才那个茬我没接上。