to start a computer or system
コンピュータやシステムを起動する (konpyūta ya operētingu shisutemu o kidō suru)
"My laptop takes forever to boot up."
"私のラップトップは起動するのにとても時間がかかります。" (nōtopasokon o **būto appu** suru no ni suūbyō kakarimasu.)
to quickly become good friends
to analyze a problem step by step
to suddenly start laughing loudly
Used to strongly show agreement
a person who spends a lot of time sitting and watching TV
to feel sad or depressed
