求翻译：所有人都看得到我脸上的微笑，却看不到我内心的苦涩，微笑可以欺骗任何人，但它为什么欺骗不了我自己。如果它也能欺骗我自己该有多好啊！是什么意思？

Anyone see a smile on my face, but see no bitterness in my heart, smile can deceive anyone, but why it cannot fool myself. If it can deceive myself how good it is!