at the most advanced position in a field
在一个领域中的最先进位置 (zai yi ge lingyu zhong de zui xianjin weizhi)
"The lab is at the cutting edge of medical research."
"实验室处于医学研究的最前沿。" (shiyan shi chuyu **yixue yanjiu de zui qianyan**)
alert and full of energy, especially in the morning
Always continue trying despite difficulties.
to admit something honestly
to admit or confess responsibility for something
to start working hard, especially after delaying
to spend time in prison as punishment
