serving as a judge in a court
在法庭上担任法官 (zai fating shang danren faguan)
"She spent 20 years on the bench before retiring."
"她在退休之前作为法官工作了20年。" (Ta zai tuixiu zhiqian zuo wei faguan gongzuo le 20 nian.)
to organize by separating what is needed from what is not
to have an interest or investment in something
a small but essential part of a large system
to avoid bringing up a problem that will cause trouble
to return to the original state after a series of changes
to figure out something by reasoning