一副笑脸 meaning in Chinese

a smiling face

I tried to put a smile on my face , and i went to call on prudence
我试着装出一副笑脸，跑到了普律当丝家里。
Putting away the letter immediately and forcing a smile , she said ,
她立刻收起了那封信，勉强做出一副笑脸，说道：
I have no doubt she has connived at your desertion of your duties and responsibilities , so do not expect me to show pleasure in seeing her
毫无疑义，你的背弃义务与责任是她怂恿的，那么请你不要以为我将有一副笑脸去见她。
They were two alien dogs which would have liked to snarl at one another , but which smiled instead , perforce . but with the woman he was not quite so sure
他们俩象是一对异种的狗，原应互相张牙舞爪的，而因情境所迫，便不得不挂着一副笑脸。