accustomed to their heart on a lock,maybe i grewup a little bit.
问题描述：
accustomed to their heart on a lock,maybe i grew
up a little bit.
答
直译的话是,习惯于他们的心上了锁,也许是我成熟了一点.
大概意思就是这样,可以联系一下前后文翻译.