dim.
abbr. 尺寸（dimension）；（拉）一半（dimidius）；减小（diminish）；被贬值的（diminished）；渐弱（diminuendo）
例句
His eyesight is getting dim.
他的视力越来越差。
《牛津词典》
Her future career prospects look dim.
她的前程看来很暗淡。
Sometimes he thought George was a bit dim.
有时他觉得乔治有点儿笨。
《柯林斯英汉双解大词典》
