Think over: to consider (something) carefully. eg think over a problem / a proposal / a situation etc.
Take off: to rise from the ground eg an aeroplane
See off: to say goodbye to someone who is going on a journey at the place (e.g. airport, station etc.) where the journey begins.
Run out of: to use all of (something) and have no more left eg run out of coffee / sugar / money / patience / time etc.
Run into: to meet by chance.