dissatisfaction

US /ˌdɪs.sæt̬.əsˈfæk.ʃən/
UK /ˌdɪs.sæt̬.əsˈfæk.ʃən/
1.

không hài lòng

a lack of satisfaction:

:
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At the moment she's experiencing a lot of dissatisfaction with her job.