to start working seriously on something important
开始在重要的事情上认真工作 (kaishi zai zhongyao de shiqing shang renzhen gongzuo)
"I have to buckle down on my thesis this weekend."
"这个周末我得buckle down on我的论文。" (zhe ge zhoumo wo dei buckle down on wode lunwen)
to accompany someone closely, often to observe or learn
to repeat words from a person or source in speech or writing
to seem likely to happen soon
to talk while someone else is talking
to remain honest and authentic to your values
to regain emotional stability and harmony