副詞・程度N5
そろそろ
it's about time to / soon
Structure
そろそろ + V
Explanation
Means "it's about time to do" or "something is about to happen". Used to hint that the time has come to act.
Examples
そろそろ帰りましょう。
Let's head back soon, shall we?
桜がそろそろ咲きます。
The cherry blossoms are about to bloom.
Note
そろそろ=about time to (hinting at timing); もうすぐ=soon/about to (more direct time expression).