讲解：
a dozen
(一)打；十二个:
Give me a dozen, please.
请给我来一打。

dickens
(用于问句代替 devil, 表示烦恼或吃惊)究竟,到底:
Where the dickens did he go?
他究竟上哪儿去了？

sizeable noun
相当大的
The town has a sizeable Sikh population.
城里有为数众多的锡克教教徒。

go unchecked
不加约束的；不受限制的；放任的:
The rise in violent crime must not go unchecked.
暴力犯罪的增长必须加以制止。

on account of sb / sth
由于；因为:
She retired early on account of ill health.
她体弱多病,所以提前退休。

manifest sth (in sth)
表明,清楚显示(尤指情感、态度或品质)
Social tensions were manifested in the recent political crisis.
最近的政治危机显示了社会关系的紧张。

speak / talk of the devil
说到某人,某人就到:
Well, speak of the devil—here's Alice now!
嗬,说到曹操,曹操就到——瞧,艾丽斯这不来啦！

I'll be darned!
(表示吃惊)真没想到,真叫我吃惊