austerely

The old judge dressed austerely in plain black robes with no expensive jewelry.

(Chinese) 老法官穿着朴素的黑色长袍，没有任何昂贵的珠宝，显得很严厉。

The hospital room was austerely furnished to emphasize cleanliness and efficiency.

(Chinese) 医院房间的家具陈设非常简单，以强调清洁和效率。