Without a trace
无影无踪
🧩 词语组成解析
without
[wɪ'θaʊt]
adv. 在外部;户外;缺少;没有或不显示某事物;
prep. 没有，缺乏;在外面;
conj. 除非，如果不;
trace
[tres]
vt. 跟踪，追踪;追溯，探索;探索;查找;
vi. 沿着一小径或道路前进;可以追溯的;
n. 痕迹，踪迹;微量，极少量;[植]（脉）迹;痕迹;
trace(draw)→回溯
🗣️ 情景例句
Since I retired,
自从我退休以后，
If his plan works, he'll earn 100 million in 10 years.
如果按照他的计划做，十年就能挣到一亿元了。
He noticed that the straight part of the dance was different in the afternoon from what it had been in the morning.
他注意到下午舞蹈的直线部分与上午的不一样。