"BRB" is "be right back."
　　"C-ya" is "see ya later"
　　"dunno" is slang for "don't know."
　　"gotta" is slang for "got to".
　　"LOL" is "lots of laughs"
　　a little (稍微一点儿)
　　address (地址)
　　after you. (您先请)
　　all right. (好的)
　　can someone here speak Chinese? (有懂中国话的人吗)
　　cheers. (干杯)
　　congratulations! (恭喜)
　　excuse me a moment. (我失陪一会儿)
　　excuse me. (对不起了)
　　good afternoon. (您好)
　　good evening. (晚上好)
　　good morning. (早上好)
　　good night. (晚安)
　　good-bye. (再见)
　　how are you? (您好吗)
　　how do you do? (幸会幸会)
　　how far? (多少距离)
　　how long? (多少(时间、长度))
　　how many? (多少(数))
　　how much? (多少(钱))
　　how? (怎样)
　　i don't understand. (你说的话我不懂)
　　i see. (知道了)
　　i want . (我要...)
　　i'm lost. (我迷路了)
　　it's hot(cold),isn't it? (好热(冷)啊)
　　just a moment,please. (请稍等)
　　let's meet again. (下次再见)
　　lovely weather,isn't it? (天气真好啊)
　　many (很多)
　　married (已婚)
　　may i have your name? (请问尊姓大名)
　　my name is . (我叫...)
　　nice to meet you. (能见到您真高兴)
　　no (不)
　　occupation (职业)
　　pardon me? (请再说一遍)
　　please hurry. (请快些)
　　please speak more slowly. (请说得再慢一点)
　　please! (请)
　　single (单身)
　　thank you. (谢谢你(们))
　　that's all right. (行了)
　　what does this mean? (这是什么意思)
　　what time? (几点了)
　　what? (什么)
　　what's this? (这是什么)
　　when? (什么时候)
　　where is the restroom? (厕所在哪里)
　　where? (哪里)
　　which? (哪一个)
　　who? (谁)
　　why? (为什么)
　　yes (是)
　　you're welcome. (别客气)