Study is like sailing against the current; either you keep forging ahead or you keep falling behind.
学如逆水行舟，不进则退。
Like a boat sailing against the current, we must forge ahead or be swept downstream.
犹如逆水行舟，不进则退。
Not to advance be to go back .
逆水行舟，不进则退。
Human society keeps moving forward as new things replace those dying out.
社会进化就像逆水行舟，不进则退。
Learning is like rowing upstream; not to advance is to dropback.
学习如逆水行舟，不进则退。
A boat sailing against the current must forge ahead or it will be driven back.
逆水行舟, 不进则退。
So we beat on, boats against the current, borne back ceaselessly into the past.
于是我们奋力向前划，逆流向上的小舟，不停地倒退，进入过去。
Given this pressing situation, we must move forward, or we will fall behind.
形势逼人，不进则退。
This retrograde conduction does not always take place.
逆向传导不经常进行。
Grafting of Radius Periosteum Flap Pedicled with Fascia and Vessels Combined with Mini-Screw Internal Fixation in the Treatment of Scaphoid Nonunion
逆行带筋膜血管蒂桡骨瓣联合微型螺钉治疗腕舟骨骨不连
Life never stands still: if you don't advance you recede.
（生命不息，不进则退。）【个高考重要单词！
The choice before us is either to continue to make economic progress or to retreat. But to retreat will get us nowhere.
现在面临的问题是，不进则退，退是没有出路的。
The choice before us is either to continue to make economic progress or to retreat.
现在面临的问题是，不进则退，
"But the dove saw no resting-place for her foot, and came back to the ark, for the waters were still over all the earth; and he put out his hand, and took her into the ark."
但遍地上都是水，鸽子找不着落脚之地，就回到方舟挪亚那里，挪亚伸手把鸽子接进方舟来。
For some sediments and flow the flat bed does not occur and the bed form goes directly from dunes to antidunes.
对某些泥沙和水流，平整床面并不发生，而床面形状则直接从沙垄转为逆行沙垄。
Professionals go in for water skiing, ping competitions and water polo matches.
专业人员则进行滑水、水和水球比赛。
When invading forces decided to burn their bridges they were impelled to conquer or die-there could be no going back.
入侵部队奉命：要么战胜，要么战死——绝不能后退，于是它们决定破釜沉舟，背水一战。
Application of absorbable screw in treatment of scaphoid fracture by retrograde internal fixation
逆行可吸收拉力螺钉内固定治疗腕舟骨骨折