磨练的英文：
chasten
furnace

参考例句：

Adversity is a good discipline
苦难是磨练人的好机会

Her tumultuous childhood was a unique schooling.
她坎坷的童年是一种极其特殊的磨练

After days of days of hard exercise and practice, my son could sprawl slowly and stand up to shamble a bit eventually.
经过日复一日的魔鬼般的磨练，儿子终于可以摇摇晃晃地走路了。

articled clerks have been in the habit of fleshing their legal wit upon the case
法务实习生也惯用这个案子来磨练自己的法学才能。

When I get the time I go and polish up some of my shots at the local driving range.
我有空就到本地的高尔夫练习场去磨练球技。

Qionghua gradually became an outstanding revolutionary fighter after experiencing numerous hardships and tests.
历经磨练和考验，成长为卓越的革命战士。

Human growth is a process of experimentation, triM, and error, ultimately leading to wisdom.
人的成长是一个不断尝试、经历磨练和失误，最终变得聪明起来的过程。

That Union we reached only by the discipline of our virtues, in the severe school of adversity。
我们经受严峻的磨练，坚持培养自己的美德，才得以形成这联邦。

Add to that the good war of a born eavesdropper, carefully honed on a lot of strangers in foreign train compartments
此外，他生就一对善于偷听的耳朵，经过在异国火车车厢里听众多陌生人谈话的苦心磨练，变得更灵敏。

chasten是什么意思：
vt. 惩戒,抑制,磨练

When I wept, and chastened my soul with fasting, that was to my reproach.
我哭泣，以禁食刻苦我心，这倒算为我的羞辱。

The school is not exactly chastened by the current crisis, but nor did it display the swagger of recent years.
该校没有被当前的危机彻底抹去棱角，但也没有像近些年来那样趾高气扬。

"Luckily, by throwing dust in his eyes today, she was able to sound him out and get him into a chastened mood for a good lecture. "

furnace是什么意思：
n. 火炉，熔炉；极热的地方

He was feeding coal to the furnace.
他在给炉子加煤。

I'm going to damp a furnace.
我准备封炉子了。

A furnace formerly used in glassmaking for calcination of materials into frit.
熔炉一种以前用在玻璃生产中的火炉，用于原料到玻璃质的锻烧

The shell and cover of the radiation tube heating furnace.
辐射管加热炉的炉壳及炉盖

Iron is extracted from the ore by smelting in the blast furnace.
铁是通过高炉冶炼从矿石中提取的。