fashionable (adj.)
流行的、时髦的

例句：
Do you know what clothing styles are fashionable these days?
你知道什麽款式的衣服是比较流行的吗？

burn one's bridges behind (you)
破釜沉舟，自断退路

例句：
Now we've burned our bridges behind us and we have no option but to go forward with the project.
现在我们已经破釜沉舟了，除了按计划前进外，别无选择。

Please make yourself at home.
请别客气。

对话：
Thank you for coming. Will you take off your coat and make yourself at home, please?
谢谢光临，脱掉外套吧，请随便一些，不要客气。