Meanings of the Prefix под with Verbs

Did you know that the Russian prefix под has many different meanings used with verbs?

1. In an upward direction:  Ты подбросила мяч: You threw up a ball.
2. Adding something:  Катя подлила воды в кастрюлю: Katia poured more water into the pan.
3. Approaching: Он подъехал к метро: He approached the metro station (driving)
4.  Do an action under something: Подрыть землю под домом: Dig under the house.
5.  Do something secretely: Он подслушивает наши разговоры: He listens secretely to our conversations.
6. A little bit: Цветок подсох: The flower got a little dry.
7. Do an action till a limit: Я подготовил доклад: I prepared the report.