► 副詞じわじわ  [(1)じわじわ]    
meaning:  gradual  rank: 2☆ 
ボディブローがじわじわ
効いてきている ⇨ Body blows are slowly taking their tolls  
(☛ Inconspicuously but surely)☆ 
彼等は
首位との
差をじわじわ
縮めて
来ている ⇨ They are slowly but steadily closing the gap with the top team  
(☛ Inconspicuously but surely)