waiting for you by my life
waiting for you 等你
by my life 用我一辈子。一生
翻译为:用我的一生等你=我愿意等你一辈子
I'll be waiting for you for a lifetime.
will be 更能表达出愿意的意思
I'll be waiting for you by my life.
用by my life 更有一种 我用一辈子来等 的意思
I will be right here waiting for you.
英语在某些时候不用逐字逐句的翻译啊。
I'll waiting for you forever.
I am willing to wait forever