The fire is the test of gold;adversity of strong man.

The sincerity of a friendship is tested by some dangers, as gold is by fire .

友谊忠诚不怕危险，十足真金不怕火炼。

as pure gold is not afraid of Being tempered By fire, so genuine leather is not afraid of Being confused with artificial leather.

真金不怕火来烧，真皮无惧假皮冒。

The fire is the test of gold; adversity of strong men.

烈火炼真金，逆境炼壮士

The fire is the test of gold; adversity of strong man.

烈火炼真金，困境出好汉。

Fire proves gold, adversity proves men.-- L.A.Seneca

烈火炼真金，逆境识真人。——塞涅卡

But fear of loss is the real reason for fire insurance.

不过害怕损失是投保火险的真正原因。

Gold is purified by fire.

黄金经过火炼提纯。

Jade is always cool to touch and will resist scratching with metal.

一是真玉摸起来有凉的感觉，二是真玉不怕金属刮划。

She dared the anger of her father.

她不怕惹她父亲发火。

Real jade is always cool to the touch and will resist any scratch with metal.

真玉摸上去总有凉润之感，而且不怕金属刮擦，刮后也不留痕迹。

Fire is the test of gold, adversity of friendship.

烈火见真金，患难见真情。

Don't fear to tell the truth.

不要害怕说出真情。

I like his impudence!(ironic,meaning that his impudence is prepesterous or amusing)

(反语)他真不怕难为情!

This was a narrow escape to me, and I was so frightened that I ventured no more at gold watch a great while.

这对于我真是死里逃生，我怕极了，以后许久都不敢再去扒金表。

VACUUM METALLURGY FACILITY(Ⅲ)-VACUUM ARC FURNANCE

真空冶金装置(三)一真空电弧熔炼

Sometimes I'm so frightened, I don't believe, I'll get over it.

有时我真害怕，我恐怕熬不过这一天。

adversity is the test of a strong man.

火对金子是考验,逆境对人是磨炼.

JIN HUO DA CHENG--The Last Text in the History of Alchemy

炼丹史上最后一部著作《金火大成》