片语
study y assiduously and perseveringly持之以恒地刻苦学习
perseveringly detail坚忍不拔地
study assiduously and perseveringly持之以恒地刻苦学习
apply oneself perseveringly to锲而不舍地致力于
Works Perseveringly笃行
surelyad 当然;无疑;坚定地;稳当地
study Perseveringly坚强的意志和持之以恒
firmlyad 坚定地,坚决地;坚固地,稳固地
work hard and perseveringly艰苦奋斗