in the process of (doing something or happening); while (doing)[cedict]
一点一点
yī diǎn yī diǎnㄧ ㄉㄧㄢˇ ㄧ ㄉㄧㄢˇ
little by little; bit by bit; gradually[cedict]
地
deㄉㄜ˙
dìㄉㄧˋ
-ly; structural particle: used before a verb or adjective, linking it to preceding modifying adverbial adjunct[cedict]
earth; ground; field; place; land[cedict]
钻
zuānㄗㄨㄢ
zuànㄗㄨㄢˋ
to drill; to bore; to get into; to make one's way into; to enter (a hole); to thread one's way through; to study intensively; to dig into; to curry favor for personal gain[cedict]