真心的英文:wholehearted;heartfelt;sincere;true intention。
[例句]群众真心拥护这项政策。
The masses give wholehearted support to this policy.
说真心话,无论如何我是真的不想去。
To be perfectly honest, I didn't want to go anyway.
他们是真心相爱。
It was true love between them.
他大表爱慕之情,但我知道他不是真心的。
He made a great show of affection, but I knew he didn't mean it.