to meet someone unexpectedly
予期せず誰かに会う (yokisenu dareka ni au)
"I bumped into an old friend at the mall."
"ショッピングモールで古い友達にばったり会った。" (Shoppingu mōru de furui tomodachi ni **battari atta**.)
to leave a bus, train, or plane
to appear in a particular way or form
to throw something away or get rid of it properly
to speak positively about something; to promote
to enroll or participate in a collective action
to provide leadership or resources when needed
