5. It looks terrible.
看起来很难吃。
还能这样说：
It is awful.
It is disgusting.
应用解析：
terrible还有别的意思：可怕的，吓人的；令人敬畏的，极度的，严重的。
例如：Your room is in a terrible mass.
你的房间一团糟。
6. He suggested reading the menu first.
他建议先看看菜单。
还能这样说：
He suggested that we should read the menu first.
He proposed to read the menu first.
应用解析：
suggest itself to 产生……念头，浮现在……心中；
suggest sth. to sb. 使某人想到某事物
7. Is there any difference between the two kind of dish?
这两种菜有什么不同吗？
还能这样说：
What are the difference between the two dishes?
What distinction do these two kind of dish have?
8. I'm picky about what I eat.
我很挑食。
还能这样说：
I'm a picky eater.
I'm particular about food.