In the midst of sth (idiom)

　　●if you are in the midst of an event or situation, it is happening around you.（在…之中）

　　Examples:　　

　　1.The government is in the midst of a major crisis.　　

　　2.We are in the midst of the worst recession in a decade.

　　Turn back (phrasal verb)

　　●To return the same way that you came instead of continuing on your journey, or to make someone do this.（往回走，走回頭路）

　　Examples:　　

　　1.Bad weather forced them to turn back.　　

　　2.Refugees who reach the border may be turned back.

　　Stick to sth (phrasal verb)

　　●To do something that you promised or decided you would do, or that you believe you should do.

（堅持，不改變，不放棄）

　　Examples:　　

　　1.We'd better stick to the main road, because the other roads are blocked with snow.　　

　　2.We said we'd give her the cash, and we must stick to our agreement.

　　A variety of sth (phrase)

　　●A lot of things of the same type that are different from each other in some way.

（（同一類中）各種不同的…）

　　Examples:　　

　　1.She does a variety of fitness activities.　　

　　2.Society is made up of a variety of people; some are good, others (are) bad, and still others (are) in between.

　　Offshore (adj.)

　　●Based or operating abroad.

（不在本土的，離岸的）

　　Examples:　　

　　1.Needless to say, the use of offshore centres is never far from being a controversial matter.　　

　　2.The island offers a wide range of offshore banking facilities.