confused or not paying attention
混乱しているか、注意を払っていない (konran shite iru ka, chuui o haratte inai)
"He looked completely lost in space during the lecture."
"彼は講義中に完全に混乱しているように見えた。" (Kare wa kougichuu ni kanzen ni konran shite iru you ni mieta)
to signal someone to stop, especially a vehicle
to do something without knowing the outcome
to feel proud of who you are or what you do
to end a situation in which progress is not possible
to wait to get exactly what you want
something that has both positive and negative consequences