to be independent and self-supporting
独立自主 (duli zi zhu)
"He worked hard to stand on his own two feet after college."
"他大学毕业后努力独立自主。" (ta daxue biyel hou nuli duli zi zhu)
To continue doing the right thing to reach your goal.
peace follows a period of trouble
having positive prospects or possibilities
to protect your computer system or network from attacks
to continue doing something well
it's not difficult to understand