with diffculty 吃力地
prior diffculty 事前难度
It is a powerful ally when faced with diffculty. one step at a time, one small victory after another and soon you are looking back at some measurable progress.
在面对困难时决心是强大的支持者。一步步前进赢得一个又一个小小的胜利，不久之后你回头就能看到一些重大的进步。
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