谅我不善言辞但我爱你很真
[liàng wŏ bù shàn yán cí dàn wŏ ài nĭ hĕn zhēn]
Means 'Forgive my lack of eloquence, but I love you truly,' which conveys a heartfelt and genuine feeling of loving someone profoundly despite poor skills in words. It indicates honesty in affection.