fù / xí / shí / bú / yào / shě / běn / zhú / mò / xiān / zhǎng / wò / jī / běn / gài / niàn / zài / zuò / nán / tí

复习时不要舍本逐末，先掌握基本概念，再做难题。

When reviewing, do not neglect the fundamentals for minor details; master the basic concepts before tackling difficult problems.