‘爱的承诺’与‘宁愿死也要真诚’用英语怎么说？

爱的承诺:Love commitment
宁愿死也要真诚:Ningyuansi be sincere

Love engagement
(Be) sincere or Die

爱的承诺---promises for loves

宁愿死也要真诚-----I'll be pure-hearted even if the death comes.

the promise of love
be honest even facing the death

爱的承诺 A commitment of love
宁愿死也要真诚:True to you till death