Silence, because I don't know how to speak up, how to tell you.
沉默，因为不知道怎么开口，怎么对你说。

Silence, because I can't think of any positive points about myself whereas you have so many of them.
沉默，因为我想不出自己有任何优点，而你的优点却那么多。

Silence, because there is someone by your side she treats you very well. I don't want to spoil your happiness.
沉默，因为你什么有一个人对你很好。我不想破坏你的幸福。

Silence, because I love self-torturing.
沉默，因为我喜欢自虐。

Silence, because I'm afraid of rejection. I'm afraid you would say, "You are a nice girl, but..." I have too many but's in my dictionary, how could I endure another one?
沉默，因为我怕被拒绝。我把你说：“你很好，可是...”我的字典里已经有太多“可是”，我怎么能够在承受一次？

Silence, because we are good friends. I'm afraid of losing a friend and unable to gain a lover.
沉默，因为我们是好朋友。我怕从此失去一个知己，又得不到一个情人。

Silence, because I can't give you any promises. I don't know what can I give you.
沉默，因为我不能给你任何承诺，我不知道能给你什么。

Silence, because I don't want to let you know the cool & calm me is actually so fragile.
沉默，因为我不想让你知道表面上满不在乎的我，原来是那么脆弱。

Silence, because I might not be suitable for you. There might be girls out there who are better than me.
沉默，因为我或许不适合你，也许有其他人比我更好，更能照顾你。

Silence, because sometimes I'm afraid that if we eventually got together, lots of beautiful memories would be shattered...
沉默，因为有时候我会害怕当我们终于相恋，许多美丽的幻想也会随之破灭。