我从来没有当面对你说出那句话，因为我开不了口，我自始至终都不会表达自己的感情，我喜欢你，刻骨铭心的那种。

I never tell that in front of you for it is hard to tell. I did not tell my affection from the beginning up to now, for I love you, it is deeply engraved on my mind .

youdao

我本想告诉他真实情况，但又开不了口。

I wanted to tell him the truth, but something held me back.

《牛津词典》

我想要向别人诉说，却开不了口。

I wanted people to relate to me because I couldn't get it through speaking.

youdao