blue-chip
/ˈbluːtʃɪp/adjective
attrib.
1- denoting companies or their shares considered to be a reliable investment, though less secure than gilt-edged stock（公司或其股票）可靠的, 赚钱的, 蓝筹的, 热门的。
1.1
- of the highest quality一流的, 顶尖的：
blue-chip art.
上品艺术。
词源
early 20th cent. (originally US)： from the blue chip used in gambling games, which usually has a high value.