（1）calm down :Calm down,or you will make mistakes.
（2）play jokes on :We shouldn’t play jokes on the disabled.
（3）with the help of:With the help of the policeman,I caught the thief at last.
（4）change one's mind:Though,it’s not an easy job,I will never change my mind.
（5）stick to:If we want to obtain success,we should stick to our goal.
（6）go through:They went though the busy street hand by hand.
（7）compete with:We will compete with the students from Grade 9.
（8）protect from:People are protecting the enviroment from pollution.
（9）think highly of:His courageous deed was thought highly of by the passerbys.
（10）get along/on well with:I get on well with my new neighbors.