to become more self-assured by repeated practice
繰り返し練習して自信を持つようになる (kurikaeshi renshuu shite jishin o motsu you ni naru)
"You can build confidence through practice in public speaking."
"公共の場で話すことで自信を深めることができます。" (Koukyou no ba de hanasu koto de jishin o fukameru koto ga dekimasu.)
to increase by a certain amount or percentage
to briefly mention or discuss a subject
to lose control of emotions due to fear or stress
to feel deeply thankful or obliged to someone
to train your thoughts to stay peaceful and relaxed
to assume control of the government, often by force