will be; will become
내 말을 들으면 당신도 안심이 될 거 요
If you listen to what I have to say, you'll feel reassured too.
— 싸이코 (1960)
멋진 마을이 될 거 요, 스위트워터
It’ll become a wonderful town, Sweetwater.
— 옛날 옛적 서부에서 (1968)