to start doing something seriously and with focus
开始认真并集中精力做某事 (kaishi rènzhēn bìng jízhōng jīnglì zuò mǒu shì)
"We’ve wasted enough time—let’s get down to it and start working."
"我们浪费了足够的时间——让我们开始做，开始工作。" (wǒmen làngfèi le zúgòu de shíjiān——ràng wǒmen **kāishǐ zuò**, kāishǐ gōngzuò.)
to give all the money you owe, especially unwillingly
to do something too much or excessively
to continue despite difficulties or emotional pain
to stop taking medicine
to continue doing something despite difficulties
to progress or advance in the direction of change or improve...
