实在的英文：
in reality
honestly
really
verily
concrete

参考例句：

This is no jesting matter.
这实在不是闹着玩儿的

Sorry, I'm (really/so/terribly) sorry.
对不起。我感到(实在∕很∕非常)抱歉。

The sexy starlet was a real eye-popper in her black bikini.
身着黑色比基尼的性感女星实在令人大饱眼福。

A practitioner of artistic or philosophic realism.
唯实论者，实在主义者艺术或哲学唯实论或实在论的实践者。

He tamped down the tobacco in his pipe and lit it.
他把烟丝压实在烟斗内，然后点燃它。

Something unreal,insubstantial,or imaginary.
幻想不真实，不实在，或被想象出来的某个事物

I am sick of having to truckle to my superiors.
我得对上司惟命是从，这叫我心里实在难受。

The sexy starlet is a real eye-popper in her black bikini.
身著黑色比基尼的性感女星实在令人大饱眼福。

He could never speak quite patiently to the old blockhead.
他实在无法很耐心地对这个老笨蛋说话。

I really admire her indomitable optimism and can-do spirit.
我实在佩服她不屈不挠的乐观态度和苦干的精神。

reality是什么意思：
n. 现实（性）；事实

a living hope, faith, reality
现存的希望、 仍在信奉的信仰、 活生生的现实.

Did not you envisage the reality?
你不正视现实吗？

honestly是什么意思：
adv. 公正地；老实说；诚实地

Can you honestly tell me that?
你能诚实地告诉我吗？

Honestly, Flora, this is getting ridiculous.
哎呀,芙罗拉,这事变得荒唐了。

Only that which is honestly got is gain
正当的收入才是真正的收入

really是什么意思：
adv. 实际上，事实上；完全地；真的吗

You really are a homo.
你真的是个同性恋。

You are really uncultivated.
你真的很没教养。

You really are a stiff.
你真的是一个笨蛋。