to clean or improve something; to review or practice
清理或改进某事; 回顾或练习 (qingli huo gaijin mou shi; huigu huo lianxi)
"He brushed up his teeth quickly before leaving for work."
"他快速刷牙，之后去上班。" (ta kuaisu shua ya, zhihou qu shangban)
to criticize something in detail
to launch or introduce a new product or service
to look for something in a place, often in a casual or curio...
to look very happy and healthy
to overcome strong emotional barriers like fear or anxiety
to gain understanding or wisdom by observing cultural contra...
