在课堂上,汤姆悄悄地把 糖块放进嘴里,但

tom slipped the candy into his mouth in class  detail>>

在课堂上

in class  detail>>

不上课, 在课堂上

in class  detail>>

在课堂上，在上课

in class  detail>>

把脚丫放进嘴里

put ones foot in ones mouth put one’s foot in one’s mouth  detail>>

别在课堂上吃东西

don`t eat in class  detail>>

把脚放进嘴里（说错话了）

put one's foot in one's mouth  detail>>

把脚丫放进嘴里(说错话了)

put ones foot in ones mouth  detail>>

悄悄地

gently quietly softly stealthily  detail>>

禁止在课堂上使用计算机和计算器

computersandcalculatorsshouldbebannedinclass  detail>>

你在课堂上记笔记通常用钢笔还是铅笔

do you usually take notes in class with a pen or pencil  detail>>

平时在课堂上不做笔记的学生

students who don't take notes in class  detail>>

他毫不在乎地在课堂上大声讲话he

did not care a snap to talk loudly in class  detail>>

在课堂上不注意他们的老师

paid no attention to their teachers in class  detail>>

静悄悄地

soundle ly soundlessly  detail>>

悄悄地捕猎

still hunt  detail>>

悄悄地拿走

take away sth. without being noticed  detail>>

悄悄地移动

move quietly  detail>>