1.
To those who are sincere with me, I am sincere，to those who are not sincere with me, I am also sincere.
对我真诚的，我也真诚，对我不真诚的，我仍然真诚。
2.
surface politeness
表面[不真诚]的殷勤
3.
behave cold and formally.
非常冷淡、不真诚地行事。
4.
Her effusive welcome was not sincere.
她那过分热情的欢迎是不真诚的。
5.
If you use indirect eye contact, you may be regarded as insincere-perhaps even dishonest.
如果你不直视对方，你就会被认为是不真诚--甚至是不诚实的。
6.
He was sometimes uncandid, to put no harsher name to his conduct.
说到他的行为，说他有时不真诚并不为过。
7.
His honesty is without/beyond question.
他的真诚不容置疑。
8.
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。
9.
The boy is not honest because he always invented stories.
这个男孩不诚实,因为他总不说真话。
10.
Simplicity is an uprightness of soul that has no reference to self; it is different from sincerity, and it is a still higher virtue.
单纯是灵魂中一种正直无私的素质，它与真诚不同，比真诚更高尚。
11.
This landlord didn't say anything about being respectable. He was much nicer and more honest.
这里的人不讲体面，可也更真诚可爱。
12.
I sincerely hope you will soon recover.
我真诚地盼望你不久就会恢复健康。
13.
But none will praise you more sincerely.
但是不会有人比我更真诚地赞美你。
14.
But that's naive -- and even disingenuous.
这种说法很天真，甚至于不坦诚。
15.
Love does not delight in evil but rejoices with the truth.
她不谄媚邪恶，而与真诚共欢乐。
16.
He did not believe in Howard's honesty.
他不相信霍华德为人真诚。
17.
Perhaps neither party was in earnest.
看来双方都不是真心诚意。
18.
Be honest in your communication and don't lose your cool.
在交流中保持真诚，不要有失风度。