2. We will never yield ground to the enemy . 我们决不会将阵地放弃给敌人。
3. To strive, to seek, to find, and not to yield. 要奋斗，要探索，要有所发现，而不要屈服。（待续。
英英解释
n.
1. production of a certain amount
2. an amount of a product
3. the income or profit arising from such transactions as the sale of land or other property
4. the quantity of something (as a commodity) that is created (usually within a given period of time) v.
1. be the cause or source of
2. end resistance, as under pressure or force
3. give or supply
4. give over; surrender or relinquish to the physical control of another
5. give in, as to influence or pressure
6. move in order to make room for someone for something
7. cause to happen or be responsible for
8. be willing to concede
9. be fatally overwhelmed
10. bring in
11. be flexible under stress of physical force
12. cease opposition; stop fighting
13. consent reluctantly
