他正在把画框降低一点，让它看起来更协调。

He is ___lowering the picture frame a bit to make it look more balanced.

医生建议我降低咖啡摄入量来改善睡眠质量。

The doctor advised ___lowering my coffee intake to improve sleep quality.

请降低音乐的音量，太吵了。

Please try ___lowering the music volume, it's too loud.

那次失败严重损害了他在公司的地位。

The failure significantly ___lowered his status in the company.