to start working seriously
开始认真工作 (kaishi renzhen gongzuo)
"If you want to pass the exam, you’d better buckle down and study."
"如果你想通过考试，你最好buckle down并开始学习。" (Rúguǒ nǐ xiǎng tōngguò kǎoshì, nǐ zuì hǎo buckle down bìng kāishǐ xuéxí.)
to start over again because the previous plan failed
a strict mother who pushes her children to achieve high stan...
To do something that may result in loss or danger.
to take a chance on something uncertain
an unpredictable person who may cause problems
a bold and shameless lie
