空洞的英文：
empty; without content

Pretentious,insincere,or empty language.
哗众取宠的空话华而不实的、庸俗的或空洞的语言。

The room was full of the bubble and the squeak of conversation.
满屋子的人所谈的都是空洞琐碎的事情。

and there pour forth jejune words and useless empty phrases(Anthony Trollope)
空洞无用的言辞不断涌出(安东尼·特罗洛普)

and there pour forth jejune words and useless empty phrases(bAnthony Trollope)
空洞无用的言辞不断涌出(b安东尼·特罗洛普)

Your article seems rather thin in places;can you fatten it out a little?
你的文章在某些地方略显空洞;你能把它充实一点吗？

Nugatory commentaries
空洞的评论

A cavity in a molar
臼齿里的空洞

A washy handshake;washy prose.
无力的握手;空洞的文章

A frothy mixture of eggs and milk
轻浮的;浅薄的;空洞的

The critics found her latest novel rather thin .
评论家认为她最近的小说相当空洞。

The bookshop was empty.
书店里没有人。

The river empties into the ocean .
这条河流入海洋。

He that is full of himself is empty
自满者无知

with or without milk,with or without sugar.
有人愿意在茶中加奶，有人却不愿意有人爱加糖，有人却不爱加糖。

without [with no]stint
无限制地,不吝惜地

"Without money, without tear"
没有钱,就没有忧虑

No man is content
人心不知足

Content is happiness
知足常乐

No man is content with his lot
无人满意自身的命运和境遇