・straighten out：～を解決する
She is trying to straighten out the problems with the network.
He has many problems to straighten out with the engine.
・sort out：～を処理する、解決する
There is one final issue to sort out.
解決すべき問題があとひとつある
There are still few problems we need to sort out.
・opposed to：～に反対して
As a vegitarian, he is opposed to eating a meat.
They are opposed to each other's ideas.
・concerned about：～について心配している
I'm concerned about our latest sales figures.
She is concerned about her daughter's temperature.
She is trying to straighten out the problems with the network.
He has many problems to straighten out with the engine.
・sort out：～を処理する、解決する
There is one final issue to sort out.
解決すべき問題があとひとつある
There are still few problems we need to sort out.
・opposed to：～に反対して
As a vegitarian, he is opposed to eating a meat.
They are opposed to each other's ideas.
・concerned about：～について心配している
I'm concerned about our latest sales figures.
She is concerned about her daughter's temperature.