Grammaticality
n. 語法性,符合語法
??? 情景例句
Fifty years? Wow!
五十年？ 喔！
One honest word is better than two oaths.
兩句誓言不如一句實話。
I've got a problem and as I don't know what to do I thought I'd write to you and ask for your advice.
我有一個問題，因為我不知道該怎么辦。我想我最好寫信給你，征求你的意見。