to make a very serious promise that something is true
何かが真実であることを非常に真剣に約束する (nanika ga shinjitsu de aru koto o hijō ni shinken ni yakusoku suru)
"I swear on my life, I didn’t do it!"
"私は命をかけて誓います、私はそれをやっていません!" (Watashi wa **inochi o kakete chikaimasu**, watashi wa sore o yatteimasen!)
to quietly discover what people think
to disapprove of something; to have a negative opinion
the best; better than everyone else
to introduce something that significantly alters an industry...
To be informed about something regularly.
to cause someone to have a new thought or idea