Completing the project on time was not an easy task.
not easy decision
Frequency:
65
%
Making the right choice was not an easy decision for him.
not easy job
Frequency:
60
%
Being a teacher is definitely not an easy job.
not easy choice
Frequency:
50
%
Deciding where to go for vacation was not an easy choice.
Idiomatic Expressions for not easy
Phrase: uphill battle
Meaning: a difficult struggle or challenge that requires a lot of effort to overcome
Usage: Getting the legislation passed will be an uphill battle.