To a modern eye it seems almost sentimental and is redeemed only by the somewhat stunned, melancholy expression on the child's face, which may have been inspired by Schjerfbeck's early experiences.

主体句式:It seems almost sentimental and is redeemed only by …

结构分析:这是一个并列句，第二个分句的状语比较复杂，介词短语的宾语 expression带有一个由which引导的非限定性定语从句。

参考译文:

在现代人看来，这幅画仿佛是感伤的，只有孩子脸上那种有点吃惊的、忧郁的表情才能算是一点缓和，这种表情可能是受到谢夫贝克早年经历的触发而创作的。

部分翻译可能由于上下文包含有相同内容而被简略，答案翻译仅供参考。