His progress at school had been unspectacular compared to his brother.
和弟弟相比,他在学校里的进步很不起眼。
...pleasant, if largely unspectacular, countryside.
不甚起眼但令人愉悦的田园风光
英汉双解词典包含141091条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。