unsure

adjective
1
not certain of something; having doubts
نامطمئن, مردد, دودل, بی‌اطمینان
2
not having enough confidence in yourself
بی‌اعتمادبه‌نفس, نامطمئن, نامطمئن از خود, بی‌اطمینان
Like many women, deep down she was unsure of herself.
opposite sure