到家: reach a very high level; be perfect; be excellent 短语和例子她的武术练到家了。 she is expert at chinese boxing.; she is expert at martial arts. 你这笔字写得还不到家。 your calligraphy is far from perfect
免费: free of charge; cost free; free; gratis 短语和例子免费得到戏票 get a theatre ticket for free; 免费招待 entertain sb. freely; 免费搬运 free haul; 免费保养服务 after(-sale) service; 免费搭车 hitchhike; 免费公立学校 common sch
