1.we will win at the end because this is the right thing to do and this is for the sake of our security and stability.
for the sake of为了;为了起见
He had married her principally for the sake of her father's property.
他所以要娶她,主要是为了她父亲的财产。
2.Speaking after being sworn in, Mr. Nkaissery said the law would help combat the Islamic group al-Shabab.
swear in使宣誓就职
Soon after the New Year, the new Congress will come to Washington to be sworn in.
新年后不久,新一届国会议员就将前往华盛顿宣誓就职。