【俚语系列二十三】1.on the rocks （喝酒）加冰的；I'll have a Jack and Coke on the rocks.杰克丹尼加冰。2. straight （喝酒）纯的；I can't handle straight Jack. 纯的杰克丹尼我喝不了。3.peek one's head in （简短）打个招呼；I'll peek my head in and say hi. 我就打个招呼
