Perform a/the function (idiom)

　　●To have a particular job or purpose.

　　（起作用，發揮功能）

　　Examples:

　　1.The front teeth perform a cutting function.　　

　　2.Anything which performs the functions of money is money.

　　Criminal liability (legal term)

　　●The liability that arises out of breaking a law or committing a criminal act.（刑事責任）

　　Examples:

　　1.Liability insurance does not cover criminal liability.

　　2.Families of some victims of the crash have launched a lawsuit against the railway owner, claiming criminal liability.

　　Presumptuous (adj.)

　　●(of a person or their behaviour) failing to observe the limits of what is permitted or appropriate.

　　 （冒失的，非分的，放肆的）

　　Examples:　　

　　1.I hope I won't be considered presumptuous if I offer some advice.　　

　　2.It would be presumptuous of me to decide what she wants.

　　Originate from sth (phrasal ver)

　　●To come from something or some place.

　　（源於，來自）

　　Examples:　　

　　1.A lot of our medicines originate from tropical plants.　　

　　2.Some of our customs originate from old beliefs.

　　Tally with sth (phrasal verb)

　　●For one thing　　to agree or correlate with another.

　　（符合…，與…一致）

　　Examples:　　

　　1.His story doesn't tally with what I already know.　　

　　2.What you just said doesn't tally with what you told me before.