sy
An enemy or opponent.
foe
to lose
acquire
claim or piece of evidence that one was elsewhere when an act, typically a criminal one, is alleged to have taken place.
alibi
Extremely bad or serious; intense.
severe
The hot sun will ____________ the dry grass if no rain comes soon.
scorch
This adjective describes something that is boring because it is always the same and lacks variety.
monotonous
failure，setback
achievement
An open rebellion against the authorities, especially by soldiers or sailors against their officers.
mutiny
Polite, respectful, and considerate in manner.
courteous
The farmers try to ____________ harmful insects without poisoning the soil.
eliminate
This word means to spread over a large area in an untidy or irregular way.
sprawl
to hide、conceal
exhibit
To follow someone or something in order to catch or attack them.
pursue
Something of little value or importance; a trivial matter.
trifle
The ____________ way to heat the house is to use solar power and cut extra waste.
economical
clean，hygienic
sanitary
an agreement
debate
A person who helps someone commit a crime or do something wrong; an accomplice
confederate
the second of two things mentioned
latter
The ____________ storm damaged hundreds of homes along the coast.
severe
to relax，stretch，lounge
sprawl
to waste
preserve
To make something more difficult
complicate
happening in many places or to many people
widespread
She decided to ____________ a career in environmental science after college.
pursue