Vous avez cherché: without a trace (Anglais - Chinois (simplifié))

without a trace
无影无踪

disappear without a trace
凭空消失

treading snow without a trace
踏雪无痕

a trace
一丝

actually disappeared without a trace
却消失不见了

a trace of
一丝的

an answer without a trace of introspection
没有一丝反省的回答

[she] has quietly left without a trace.
如今已悄然无踪影

a trace of envy
一丝嫉妒

true dragon hiding the head without a trace
真龙藏首无踪影

these persons have disappeared without a trace.
这些人下落不明。

i'm going to disappear without a trace
我就要消失不见

a trace of alarm
一抹惊色

it's impossible to disappears without a trace like this
不可能就这么凭空消失

iv. without a trace: enforced disappearances in syria 36
四. 无迹可寻：叙利亚的强迫失踪问题 37

simultaneously the double hammers in fairy lady white bone hands disappeared without a trace
同时白骨仙姬手中的双锤凭空消失

on 12 august 2000, 18 members of the kxoe indigenous minority disappeared without a trace.
2000年8月12日，土著少数kxoe的8个成员没有任何痕迹地失踪了。