to become happier or more cheerful
变得更快乐或更开心 (biande geng kuaile huo geng kaixin)
"Her face brightened up when she saw her friends."
"当她看到她的朋友们时，她的脸亮了起来。" (dang ta kandao ta de pengyou men shi, ta de lian liang le qilai)
to reserve something for a particular purpose
completely controlled or dominated by someone
to do one's fair share of work or duty
to be overly proud or self-confident
to share information or items with someone else
a summary or concise statement of an argument or case
