本质上；实质上：表示一个人的真实信仰、观点或感受。
内心深处；内心里：表示一个人真实的情感或态度。
in reality
同义词： at bottom / deep down / inside / in spite of appearance
... at hand在手边，在附近，即将到来 at heart在内心，实质上 at home在家，在国内；自在，自如 ...
at heart 内心里,本质上; 内心深处；实际上; 在内心,实质上; 在内心里，本质上; 在内心里，实际上; 在内心里；实质上..
... at times有时；不时；间或；偶然 at heart内心里；在内心；实质上；本质上 at best充其量；至多；最多；最好的情况下 ...
... At hand 近在手边，在附近；即将到来 At heart 在内心里，本质上 At home 在家（乡），在国内；自在 ...
本质上，内心里
He's still a socialist at heart.
他本质上还是个社会主义者。
He always has the well-being of the masses at heart.
他总是把群众的疾苦挂在心上。
The young in particular are willing to accept this concept because at heart every child wants to grow into a happy, healthy contributing adult.
年轻人尤其愿意接受这一观念，因为在内心深处，每个孩子都想成长为一个快乐、健康、有贡献的成年人。
Yet,even though you may be angry, I would know that at heart, you are a kind person.
VOA : special.2010.07.11
So I like the fact that the legal industry is at heart a service industry.
我喜欢法律是服务业的核心这个事实。
SpeakingMax英语口语达人 : 为什么来到法学院？
So I'm partially going to retract what I had said about the Lady's place at the very heart of this work.
所以我要部分收回,我之前说的关于小姐在这个作品中的核心地位。
弥尔顿课程节选 : 耶鲁公开课
Admiral Mullen told a gathering of civilian government executives now that President Karzai's re-election has been made official by the cancellation of the runoff, he must exercise his leadership to convince Afghans his government has their best interests at heart.
VOA : standard.2009.11.04
At the heart of the two thousand three hundred pages in the bill are promises to protect average Americans.
VOA : special.2010.07.23
But forro is at heart a traditional form, Brazil's loose equivalent to country music.
At heart, he's lost and searching for meaning in his well-appointed but empty life.
Yet it all works, with everything coming together at heart-palpitating speed at the end.