a secret enemy
隠れた敵
"Be careful; there’s a snake in the grass."
"気をつけて；草の中に隠れた敵がいる。"
to reach a business agreement quickly
To start something that creates many new problems.
unable to move because of extreme fear
a state of mental and emotional calmness
Deeply thankful and appreciative.
to remain hopeful and optimistic about the future
