traceless
adj. 无踪迹的
例句
The Traceless is such a realm.
而无痕正是这样的一种境界。
Some people say: Yanguoliuqing, can Traceless years?
有人说:雁过留声,岁月能无痕吗?
Traceless is a kind of esoteric realm of personal behavior.
无痕是一种为人处事的高深境界。