Instead of ‘more or less’, try ‘about’.
For example, ‘Cook the pie for about 20 minutes.’
Instead of ‘she showed me’ or ‘she explained me’, try ‘she told me’ or ‘she said’.
For example, ‘My father told me about men like you.’
Instead of ‘Explain to me..’ try ‘Tell me about…’
For example, ‘Could you tell me a bit more about Australia ?’
Instead of ‘an ex boyfriend of me’, try ‘an ex boyfriend of mine’
For example, ‘He was an ex boyfriend of mine.’
Instead of ‘we stayed in a hotel during two nights’ try ‘we stayed in a hotel for two nights’.