3.  muster v. 鼓起

联想记忆

collect, summon

muster up / collect up / summon up ==gather / pluck up / keep up

He mustered up his courage and walked up to the girl.

4。pretentious adj. 自命不凡的，矫饰的

句子

We won't like to visit the pretentious shop.

联想记忆

pretension n. 要求，虚荣，虚荣心

5。 assorted adj. 各式各样的

联想记忆

assorted/ different / various / diverse

different 强调此事物与彼事物完全不同

Eg: The word glare is different from that word slare.

various = all kinds of 强调种类数目不同

Eg: We have got various books.

in every part / all parts / various parts of the world

diverse 强调性质不同新概念第二册

We have got diverse opinion.

assorted :  various types mixed together. 各种各样的

assorted chocolates

He bought a bag of assorted fruits.