Definition
To be in the initial or earliest stage of something.
初期，初階段
They are in the first flush of love, and everything feels new and exciting.
他們正處於戀愛的初期，一切都感覺新鮮又刺激。
The project is still in its first flush, and we need more time to develop it.
這個專案仍處於初期階段，我們需要更多時間來開發它。
The company is in the first flush of rapid growth, with lots of potential for the future.
這家公司正處於快速增長的初期，未來有很大的潛力。