1. a piece of

一片，一块

eg. Could you shred me a piece of bread?

你可以为我切下一块面包吗?

eg. He buttered a piece of bread for himself.

他为自己把一片面包涂上黄油。

2. hi-tech

高技术的

eg. And she adds that she does not see much chance of working in hi-tech manufacturing.

她还补充道，她好像也看不到自己有什么机会到高技术制造业工作。

eg. Stimulus measures aim to balance spurring the economy with not sacrificing hi-tech upgrading.

刺激措施意在平衡促进经济，同时不牺牲高技术升级。

3. look at

看；考虑；着眼于

eg. We should learn to look at problems all-sidedly.

我们应该学会全面看问题。

eg. You should look at that house before you decide to buy it.

你应该看看那栋房子再决定购买。