I have 'mixed emotions' [='mixed feelings'] about doing this. [=I'm not sure if I want to do this or not]
He's always found it hard to express (his) 'emotions'. [=to show his feelings]
The defendant showed/displayed no 'emotion' when the verdict was read.
(..) You're in a sim. He can't hear you. Amazing, isn't it? Everything we think of that makes up a person, thoughts, emotions, history... All wiped away by chemistry. He's gone. And we're all safer for it. Safer? How are we safer? The brilliance of the faction system (..)2014 Divergent