1.put into 使处于某种状态

But the amount of effort put into it remains surprisingly small.
但是让人惊讶的是在这方面的投入却甚微。

A garden will give back however much you put into it.
不管你投入多少，最终会得到应该的回报。

2.similar to 跟...类似，与...同样

You should see something similar to figure 2.
你应该会看到类似图2的内容。

Try and visualize this energy as a bright white light similar to that of sunlight.
试着想象这一能源，把它当做一种明亮如阳光一样的白光。

3.allow to 允许

Allow to freeze solid for 3-4 hours or overnight.
允许冻结3-4小时或隔夜固体。

Apply solution to the tube and allow to become tacky.
在内胎上涂抹胶水并让它发粘。

4.show off 突出；炫耀，卖弄

I love to show off your photo samples.
我喜欢拿用你拍的照片来炫耀。

Like many people, birds sing to show off.
和许多人一样，鸟用鸣唱来卖弄自己。