25926.welcome to(自由に～していい）spoken used to say that someone can have something if they want it, because you certainly do not want it
You are welcome to use the laptops and the tablets in this room.
25927.cut in to interrupt someone who is speaking by saying something
Sorry to cut in on you, but there are one or two things I don’t understand
25928.cut in to suddenly drive in front of a moving car in a dangerous way
She cut in on a red Ford, forcing the driver to brake heavily .
25929.drop out to leave a school or university before your course has finished
Bill dropped out of college after his first year.
25930.fill up((…を)いっぱいに満たす、満員にする、満タンにする ） extremely tired
Please fill up the tank when you return the car.
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