掌zhǎng握wò to grasp (often fig.)to controlto seize (initiative, opportunity, destiny)to masterto know wellto understand sth well and know how to use itfluency Example sentences 这一课的生词我掌握得不错，全部都理解了。 zhè yī kè de shēngcí wǒ zhǎngwò de bù cuò, quánbù dōu lǐjiě le. This class's vocabulary I've already masted, and I understand them all 你只要能够掌握这个技巧，就能够学好钢琴。 nǐ zhǐyào nénggòu zhǎngwò zhège jìqiǎo, jiù nénggòu xuéhǎo gāngqín. As long as you can master this skill, you can learn the piano