a smile express joy 前面为什么要加一个a

a smile express joy 前面为什么要加一个a 请帮忙翻译一下There's a lot of joy in living,If we face life with a smile. they are displayed to express joy and happiness seeing you smile always me joy这句话中文翻译是什么? I only smile very joy,sorrow will not be see. Her face lit up with Joy中 lit 是什么词性?light作为动词的用法是什么?Her face lighted(lit) up with Joy?还有 Her face is lighted(lit) by a smile都可以吗 She was trying to hide her joy .But can't you see that faint smile ( ) her face?A.light B.lighting C.lighting up D.lit up 英语翻译What do you konw about smile?When i was a kid,i always thought smile is just a way to express what you're feeling at that moment.But now,i know smile is not only a face but also a way to change the world.Smile also changes the world.When joy 翻译句子Make a joy With a smile.With a smile. 昨天在老友记中听到Rachel和Joy传授在咖啡馆打工的经验之谈,说到这样一句话：A smile goes a long way.可以理解它的意思,但是不熟悉goes a long way这个用法.请高人点评~ smile to sb= sb a smile Stay with smile,with a smile. Smile at yourselfStay with smile,with a smile. Smile at yourself 翻译成中文 Smile,Does't mean that no pain,Just don't want to express! smile a big A smile like yours. wear a smile