Give someone a lift

Look at two meanings of the expression "give someone a lift":

Give someone a lift: to provide transportation for someone e.g. take someone somewhere in your car. Give someone a 'ride' is also used:

"I've got to go to the train station. Can you give me a lift?"
"Can you give me a lift to work tomorrow? My car is being repaired."
"It's too late to walk home. Let me give you a lift."

Give someone a lift: to make someone feel good by saying kind words; to make someone happier:

"I was feeling sad until I spoke to her. She really gave me a lift."
"He's been very unhappy recently. We should do something to give him a lift."
"Seeing you may give her the lift she needs."

Note: When the world is your oyster, you are getting everything you want from life. It's a common idiom.