Follow the trend

而为───And for;顺势───Take advantage of the situation

We need to settle this once and for all.───我们需要把这事一次解决。

She fought honestly for a just cause and for freedom.───她正直地为正义事业和自由而战。

argued that laws are made by and for men.───法律由人并为人制定的这一点颇有道理。

for all that must be put to death. . . and for those who deal with them we ask a heart of compassion and gentle hands and kindly words.───为所有必须被处死的动物祈求……为那些处理动物的人祈求——我们求他们有仁慈的心、温柔的手与和善的语言。

I wish to thank each and every one of you who have come here today to take a stand against violence and for peace.───我要感谢今天来参加集会的每一个人，你们已经表明了反对暴力、支持和平的立场。

Our strongest allies have always been the Nordic states, the UK, the rest of western Europe and, for a while, America.───我们最紧密的朋友，总是北欧国家、英国、欧洲其他地区，还有一度同盟的美国。

The scene was stunning, and for a time engrossed all our attention.

Let's get this problem right once and for all.

Let's settle this matter once and for all.

I'm warning you once and for all.

He will explain it fully once and for all.