literature
[noun]
written works that are valued as works of art, such as novels, plays and poems
clue
[noun]
a piece of evidence that leads someone toward the solution of a crime or problem
biology
[noun]
the scientific study of living organisms; the science that studies living organisms
to know sb/sth inside out
[phrase]
to have very good knowledge or understanding about someone or something
teacher's pet
[noun]
someone who is considered the teacher's favorite student and therefore has advantage over others in the classroom
to lend sb a (helping) hand
[phrase]
to give a person help or assistance in doing something
to pick up
[verb]
to acquire a new skill or language through practice and application rather than formal instruction
to brush up
[verb]
to practice and improve skills or knowledge that one has learned in the past
to get down to
[verb]
to start focusing on and engaging in a task or activity in a serious or determined manner
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