completely under someone's control
完全に誰かの支配下にある (kanzen ni dareka no shihaika ni aru)
"He's under his boss's thumb and can't make his own decisions."
"彼は上司の支配下にあり、自分で決定することができません。" (kare wa **jōshi no shihaika ni ari**, jibun de kettei suru koto ga dekimasen.)
to catch someone off guard; to surprise unexpectedly
to be more advanced than others
not allowed or beyond acceptable limits
to reduce the strength or amount of something
to ignore a problem hoping it will go away
to cooperate with members of the opposing political party
