1.be concerned with 关心;关怀
Don't be concerned with spelling and grammar.
不用关注拼写和语法
2.as a result of 由于;作为……的结果
Millions of people are threatened with starvation as a result of drought and poor harvests.
几百万人因干旱和歉收而受到饥饿的威胁
3.try to 设法;试图
A mistake is a mistake. Don't try to explain it away.
错了就错了,不要辩解
4.be better off 境况好起来;更好
I'd be better off without you.
没有你我会更好