adj.真诚的，诚挚的，诚恳的，诚实的，坦率的

原形：sincere比较级：sincerer最高级：sincerest

I will always be your sincere friend.
我将永远是你真诚的朋友。
Please send my sincere and best regards to your family.
请代我向你的家人致以最诚挚的问候。
I want to express my sincere gratitude to you.
我想向你表示衷心的感谢。
She made a sincere apology for the mistake, showing her true remorse.
她为错误做出了真诚的道歉，表现出真心的懊悔。
His sincerity in helping others is evident through his consistent actions.
他助人为乐的真诚通过他一贯的行为显而易见。
I appreciate your sincere efforts to resolve this issue.
我感谢你解决这个问题的真诚努力。
The candidate's sincere passion for the job impressed the interviewers.
候选人对工作的真诚热情给面试官留下了深刻印象。
Their sincere friendship had stood the test of time.
他们真诚的友谊经受住了时间的考验。
He looked me in the eye and spoke with sincere conviction.
他直视着我的眼睛，说话时充满了真诚的信念。
Her sincere smile put everyone at ease.
她真诚的笑容让所有人都感到轻松。
In his speech, the president expressed a sincere desire for peace.
总统在演讲中表达了对和平的真诚渴望。
We were touched by the sincere condolences from our friends and family.
我们被来自朋友和家人的真诚慰问所感动。
The company values sincerity and integrity in its employees.
公司重视员工的真诚和正直。