Here are some examples of how to use it:
* Ang kape ay mapait. (The coffee is bitter.)
* Ang karanasan niya ay mapait. (His experience was bitter.)
* Ang prutas na ito ay mapait. (This fruit is bitter.)
You can also use pait as a noun to refer to bitterness. For example:
* Naramdaman niya ang pait ng pagkatalo. (He felt the bitterness of defeat.)
* Ang pait ng kanyang mga salita ay nakasakit sa akin. (The bitterness of his words hurt me.)