soberly
例子
They looked at each other soberly, knowing what was at stake.
他们严肃地看着对方，知道利害攸关。
02
朴素地
in a plain or subdued way, especially in terms of appearance or color
例子
The office was soberly furnished in neutral tones.
办公室以中性色调朴素地布置。
03
节制地, 适度地
in a way that shows moderation and self-control, especially in lifestyle or habit
例子
They ate soberly, choosing plain food over luxury.
他们节制地吃饭，选择简单的食物而不是奢侈品。
