scrape
刮掉;削去
She scraped the mud off her boots.
她刮掉了靴子上的泥。
The kids had scraped their plates clean.
孩子們把自己的盤子擦得干干凈凈。
observe
觀察;注視;監(jiān)視
同義詞:monitor
I felt he was observing everything I did.
我覺得他正在注視著我做的每一件事。
The patients were observed over a period of several months.
這些病人被觀察了數(shù)月之久。
impertinent
粗魯無禮的;不敬的
同義詞:impolite
an impertinent question / child
沒有禮貌的提問/孩子
Would it be impertinent to ask why you're leaving?
問一下你為什么要離開不知是否唐突?
hour
某個時間
You can't turn him away at this hour of the night.
天這么晚了,你不能把他趕走。