if you want to study well you must put in a lot of effort
Related Translations:
下功夫: put in [devote] time and energy; concentrate one's efforts 短语和例子要想学习好, 就得下功夫。 if you want to study well, you must put in a lot of effort. 不下功夫, 你就什么也得不到。 nothing can be obtained without ef
多下功夫: devote more time and energy tospend more time and energy on
