to succeed in doing something after working hard to do it
He is very fast. I was surprised that he accomplished his task in just one week.

어수선한
Their house is cluttered with toys.

capable of producing the wanted result without wasting resources such as time, money or energy
This is not the most efficient way to do the job. I can show you a faster way.

the end (tip) of a finger
Press the power button with a fingertip.

as well as
He is going to enroll in Advanced Biology in addition to Physics II.

being very hard to believe
It's incredible that you passed the test without studying.

in a manner without delay; immediately
When the phone rang, she woke up instantly.

right for a particular purpose
She looked for a(n) opportune moment to tell him the bad news.

having a formal structure and being coordinated
The program has been so organized that none of the talks overlap.

referring to a significant change in something
revolutionary discoveries in science is helping people to live longer lives.