"Why I have never catched[=caught] the happiness? Whenever I want [=think of] you ,I will be accompanyed [=accompanied] by the memory of... "
翻译建议:
[A] "I wonder why happiness always bypasses me.Once in a while when I think of you...I'll let the past memory to fill my loneliness. "
[B] "Why happiness always bypasses me? Once in a while when I think of you...I'll let the past memory to accompany me. "
备注:
(1) "Whenever" 是<每当...>; "once in a while" 才是<偶尔>.
(2) "passed by; abandon..." 都不是 <擦肩而过>; "bypass" 才是 <绕行/绕肩而过...>
(3) "memory" 是回忆; "past memory" 更准确描述过去的感情.