1. get used to sth. 习惯
As for the rest of the world, it had better get used to frequent, but controlled, rows between China and the United States.
就世界上其他国家而言，他们最好习惯中美之间这种经常的，但是有所收敛的争吵UD32v45Y6&3lZfis.Bb。

2. usher in 迎来
I would like to bid farewell to loneliness, do not know I ushered in the loneliness.
我想告别寂寞，却不知道又迎来了孤独_,6kXT4@2rEWKq_。

3. civilian uses 民用
It is hard to disentangle military from civilian uses of space.
很难将太空的军事用途与民事用途区分开|~%t^_dN3=^2vX。

4. one day 有朝一日
I hope maintains the contact and the heartfelt hope frequently one day to be able to arrive Japan to meet with you.
希望经常保持联络并衷心的希望有朝一日能到日本与你见面！