卧铺 HSK 7-9 wòpù couchette (train) Examples 买卧铺票 mǎi wòpù piào Buy a sleeping berth ticket. 硬卧/软卧 yìngwò/ruǎnwò Hard sleeper/Soft sleeper 卧铺车厢 wòpù chēxiāng Sleeping berth carriage