unexceptionable /ˌʌnɪkˈsɛpʃənəbəl/ adjective /ˌʌnɪkˈsɛpʃənəbəl/
adjective
Learner's definition of UNEXCEPTIONABLE
formal
: not likely to cause objection or offense无可指摘的;无懈可击的 —
usually used to describe something that is good but not outstanding or excellent通常用于指某事物虽好但并非优秀