to signal someone to stop, especially a vehicle
誰かに止まるように合図する、特に車両 (dareka ni tomaru you ni aizu suru, toku ni sharyou)
"We finally flagged down a taxi after ten minutes."
"私たちは10分後にようやくタクシーを止めました。" (watashitachi wa juppun go ni youyaku takushii wo tomemashita)
To begin a process that will develop in the future.
a sudden moment of discovery or realization
small bags taken with you on a plane or trip
a group of experts developing new ideas or policies
to do your share of the work or responsibility
to become too frightened to do something