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 continue progressing without giving up
to do something to show you are sorry for hurting someone
to reduce the expenses involved in trading or production
to offer or extend an apology to someone
to reserve money for a particular purpose
to compensate someone for loss or damage
