[header] How to prepare for snap tests [title] Familiarize yourself with idiomatic expressions. [step] Idioms are conventional sayings that often don't have an obvious meaning, even if you understand the definitions of the words it uses. To improve your understanding of english idioms, read a book of english idioms and their meanings. 
[substeps] Idioms include phrases or sayings like " kicked the bucket " or " hot potato. " ask a native english speaker if you need help understanding certain expressions.