That's hard to do that at the same time make it fail both. This idiom is used to men, women two kiao, at the same time that the final result, that man is the problem.
The one thing that makes it difficult to simultaneously failed both of those things. This phrase is used to Man on the two women at the same time. The final result, then man would have followed.
That a person do anything difficult, at the same time fail both that this expression is used. A sedan chair two women at the same time. The end result is that man will be a problem.