Do offend and offer have contradictory meaning?

What does the phrase it's no picnic mean? What does you shirk your duties mean? What is the plural form of usherette? Is being mean the same as being naughty? What does it mean when you put your ring finger down? What is the German equivalent for Mr and Mrs? Why do you say boo to scare someone? What does the idiom you really put your foot in your mouth? When writing a cover letter what you should you use as a checklist? What do you call a person who does something for you and then expects you to do something for them? There is a very posh lady in an upmarket suburb and some unhygienic people move in next door what can happen? What is etuver? What does Si vous etes une mauvaise fille mean? When should you send thank you notes? What are the functions of nonverbal communication? Do you feel it is appropriate or inappropriate to use the pronoun he as a common gender pronoun referring to both males and females? Why are women's buttons on the left and men's on the right? What is another word for decent? Is it okay to call a person a turkey or a goof? What if a person runs their finger on your palm when shaking your hand?