She was a successful teacher, but the work,she decided, was too difficult for the amount she was paid.

VOA: special.2010.04.25

It decided that building three railroads at the same time would be too difficult.

VOA: special.2009.04.23

DiCaprio admits that talking about the film is difficult because revealing too much could spoil surprises that await the audience.

VOA: standard.2010.02.27