得失的英文：
gain and loss; success and failure

参考例句：

You hold all that it can give or take away was the midge that the sun-blink brings out, and the evening wind sweeps away
你认为人世间的得失不过是朝生暮死的蜉蝣，早晨的阳光孕育了它，一阵晚风又把它一扫而光。

Flourishing or decaying, gaining or losing
荣枯得失

Cooperation consists in helping one another and in sharing losses and gains.
合作在乎彼此互助和得失与共。

Gains and losses average out to a large profit each month.
每月得失相抵仍有许多赚头。

He ignored all questions of personal gain or loss, honour or disgrace. He simply gave no thought to himself.
毫无个人荣辱得失的考虑，真正达到了忘我的境界。

Stash away both what you lost and gained, for life continues on.
将得失深藏心底吧，为了那未来的生活。

Perhaps he's used to "things" lost and found with the same casualness, not just wives.
大抵他对于一切的得失，向来都作如是观，非只妻子而已。

If all things shall pass why should I be of concern for today?
如果世上种种终必成空，我又为何对今天的得失斤斤计较

gain是什么意思：
v. 获得；获利；增加；走快；到达
n. 增加；利润；收获

No pains, no gains.
不劳则无获。

This ticket will gain you admission [will gain admission for you].
这张票将使你得以入场。

Its gain is the product of the gains of its constituent branches.
它的增益等于它含有的分支的增益的积。

loss是什么意思：
n. 损耗，亏损；丢失；去世；失败；浪费；降低；减少

Depreciation, loss of market, loss of use and other consequential losses of any description.
贬值、丧失市场或使用价值等其他后果损失。

The school was lamed by losses of staff.
学校因教职人员流失而开不了课。

loss and damage or delay of goods.
贷物的损失、损坏或交付延误。

success是什么意思：
n. 成功；成就；胜利；成功者，成功的事迹

You will be successful if you abide by the principle of success.

It is subjacent to success.
这是成功的基础。

result in success
结果成功，最终取得胜利