相关单词近義詞 impractical 不切實際的, impracticable 不切實際的, unworkable 難運轉的, out of the question 不可能, impossible 不可能的, unrealistic 不切實際的, unattainable 難到達的, infeasible 不可實行的臨近詞UN, uncia相似詞unfasten, unfathomable, unfavourable, unfazed, unfeeling, unfettered, unfilled, unfiltered, 返回 unfeasible