中英释义：
我从九年级的打字课起就想要这一刻。
Yeah, I don't know. I've been wanting this since ninth grade typing.
《老友记 第二季》《Friends Season 2》
我从九年级就开始这样了，我早驾轻就熟了。
I've been doing it since ninth grade. I've got pretty damn good at it.
《老友记 第二季》《Friends Season 2》
这不算什么，九年级的时候那些女生在我的护手霜里下洛盖尼。
That's nothing. In ninth grade, the girls put Rogaine in my hand lotion.
《生活大爆炸 第五季》《The Big Bang Theory Season 5》
那个人就是我。不，他是高中时代的怪男生，从好像是九年级就很喜欢她的。那还是我。
That was me. No, he was this creepy guy from high school who had this huge crush on her since, like, the ninth grade. Still me.
《老友记 第九季》《Friends Season 9》
我们要做热冰。很酷[冷]。好哏。我们发现我们两人都为九年级的科学展览报告做了这个。
We're making hot ice. It's pretty cool. Nice one. Turns out we both did this as our science fair projects in ninth grade.
《生活大爆炸 第十一季》《The Big Bang Theory Season 11》
真的哎，五年级时的身高，六年级时的身高，七年级时的身高，八年级时的身高，九年级时的身高。
Oh, yeah. Fifth grade. Sixth grade. Seventh grade. Eighth grade. Ninth grade.
《生活大爆炸 第六季》《The Big Bang Theory Season 6》
一项研究表明，九年级学生之间的友谊远不稳定。
One study showed that friendships among ninth graders were far from stable.
九年级一班的四十名学生喜欢阅读用英语写的小说。
Forty students in Class One, Grade Nine are fond of reading novels written in English.
更糟糕的是，我竟然当着四个九年级女生的面摔倒了。
To make things worse, I managed to fall right in front of four girls from the ninth grade.
该校有六到九年级课程。
The school is for grades six through nine.
提示：张华，一个九年级学生。
Zhang Hua is a Grade 9 student.
到九年级，他们就是必须参加了。
By the 9th grade, they must do so.
九年级学生的推理能力略高于八年级学生。
The reasoning ability of students in Grade Nine is a little bit higher than students in Grade Eight.
九年级的学生应该被允许熬夜（读书） 。
Students in Grade Nine are allowed to stay up until late at night.
九年级和十年级是否有名额来招收国际学生？
Whether there are any places for International Students in Year 9 and Year 10?
萨姆九年级历史下册教案，你想到哪里去度假？
Where would you like to go on vacation, Sam?