The software may be available to immediately translate both the written and spoken language so well that we would not need any common language.

Food court would be the best choice because it is serving a selection of food from different vendors and there is a general sitting area. Student food court can be used but if you are in the middle of a university campus, it is not needed.

They used the "bulky laptop" statement as a goal to make a better thinner laptop.

criticizing someone's actions, the writer is not happy with the choices they made.

in this case, it means the skateboards are defective, something wrong with them, not smooth, poor quality wood, etc. So they are "seconds" to the better quality ones.

Perfect on the sentence.

Go back to the violent, meaning if you act violent then violent acts will have to you

We have to try an approach a little different than hers You should choose a word a little different or "You should choose a different word"