第三册第8课

watchdog n.看门狗
guard dog 守卫狗

now that 既然 （后面指出一种新的情况）
Now that you are ready, let’s start at once.
既然你已经准备好了，我们马上开始。
Since you don't like it, I'll put it away.
既然你不喜欢，我就把它放在一边。

about: 附近
There was nobody about.
附近没有人。
There's a lot of flu about.
这一带流感肆虐。

party 一组人，一队人
The school is taking a party of 40 children to France.
学校将带领一个40人的儿童团队前往法国。