日见[rì jiàn]
词典with each passing day：日趋；日渐；日益地，一天天地；日见。
词典day by day：日益；日趋；日渐；一天天地，逐日。
词典日见
词典shows [reveals] day after day
日见[rì jiàn]
with each passing day; day by day; shows [reveals] day after day:
例：日见好转
get better every day;
日见衰败
decline day by day;
收入日见增加。
(His) income is increasing day by day.