The computer didn't turn on and I messed with it but still wouldn't turn it on. I called in my friend and he tinkered with the computer and finally got it working.
call in somebodycall in somebody 就是把某人叫來的意思。
你剛剛說了甚麼? 不好意思，我放空了一下。 (請填空)
What did you just say? I am sorry. I just lot my train of thought.