蓝筹股的英文：
1. [Commerce] blue-chip share (issues of major shares on the Hong Kong stock exchange by large local enterprises)

Blue-chip share
蓝筹股;头等股票

Blue chip; blue chip security
蓝筹股;热门股票

I think buying shares in blue chip companies is always a sound investment．
我觉得购买蓝筹股永远是一种好的投资。

I have little commerce with my neighbors.
我和邻居很少来往。

They began to open commerce with neighboring countries.
他们开始与邻国通商。

There were notable jousts with the Secretary of Commerce.
和商业部长之间明显存在竞争。

the man in Blue
穿蓝色衣服的那个人

Out of the Blue
从天上掉下来

I like blue flag.
我喜欢蓝色鸢尾。

chip | crisp | potato chips
炸薯片

integrated circuit chip board
集成电路片试验板

These cups chip easily.
这些杯子容易碎裂。