1·I didn't stand firm and I tumbled.
我没有站稳，摔倒了。
2·If cleaning a timely manner, it may in the pathogens that have not yet "stand firm" before its removal.
如果清洗及时，就可能在病原体尚未“站稳脚跟”前将其清除。
3·Learn to cook it, this wherever you can stand firm, is a promising technology.
学厨艺吧，这个无论你到哪里都能站稳脚跟的，是有前景的一个手艺的。
1·We must stand firm against their open and extremely aggressive tactics.
我们必须坚定不移的反对他们极其放肆的公开策略。
2·Never give up on the one you love especially if they are pushing you away. Sometime they're pushing to see if your love will stand firm.
永远都不要放弃你爱的人，尤其是把你推开的爱人。有时候他只是想试探你对他的爱是否坚定不移。