► 名詞能率  [のうりつ]    
meaning:  efficient  rank: 2☆ こう
暑いと
仕事の能率が
上がらない ⇨ It is too hot I can raise my work efficiency, I can’t work efficiently  
(☛ Typically about human performance)☆ このやり
方は能率が
悪い ⇨ This method is not efficient  
(☛ Typically about human performance)