What does “hang out” mean in the sentence: "We’re going to hang out at the park this afternoon"?

What does “look after” mean in the sentence: "She looks after her younger brother"?

In the sentence, "He gave up smoking last year," what does “give up” mean?

What does “set up” mean in the sentence: "I need to set up the projector for the presentation"?

What does “run into” mean in the sentence: "I ran into an old friend at the store"?

What is the meaning of “call off” in the sentence: "They had to call off the event because of the rain"?

In the sentence, "I need to get up early tomorrow," what does “get up” mean?

What does “bring up” mean in the sentence: "She brought up an interesting topic in the meeting?

Which sentence uses the correct meaning of "turn down"?

What does “pick up” mean in the sentence: Can you pick up the phone?