1. control (of a machine, device, etc.)
なんとかしたいが、制御の仕方などわからない。I want to do something about it, but I don't know how to control it.
2. control (over an opponent, one's emotions, etc.); governing; management; suppression; keeping in check
感情をうまく制御することができるようになったのだ。I have become able to control my emotions well.