1.
He drifted around for eight years without a trace of his whereabouts
他在外游荡了8年，行踪不定。
2.
After this, Li Bai began his aimless wanderings all over the country.
以后，他漫游天下，行踪不定。
3.
He might be always flying about from one place to another.
莫不是他经常都得这样东漂西泊，行踪不定。
4.
After a time the enemy was baying across all south Kiangsi, hunting for the elusive Reds.
不久以后，敌人就在赣南到处追逐行踪不定的红军。
5.
Andrew left for Madrid again yesterday-he's a regular bird of passage.
安德鲁昨天又动身到马德里去了，他真是个行踪不定的人。
6.
It's difficult to find a window cleaner who will call regularly-they all seem to be here today and gone tomorrow.
要找一个能定期上门来擦窗户的人很难——他们似乎都是些行踪不定的人。
7.
Jack does come home to see us quite often, but you could easily have missed him. Here today and gone tomorrow is his style.
杰克的确经常回家来看我们，但你可能很容易错过他，行踪不定是他的风格。
8.
They had decided that they didn't want my whereabouts to be known to the world.
他们已经决定不让我的行踪公诸于世。
9.
Having no fixed or regular course;wandering.
飘忽不定的没有固定的或规律性的行踪；游荡
10.
Construction of Tracking Supervision Mechanisms of Procuratorates for the Cases of not Approving the Arrest;
建构检察机关对不批准逮捕决定执行情况的跟踪监督机制
11.
System trace information was not specified in your CONFIG.SYS file, or tracing is disallowed.
系统跟踪信息未在 CONFIG.SYS 文件中指定，或不允许跟踪。
12.
Trajectory Tracking of Uncertain Robot Manipulators with High Precise;
不确定性机器人系统高精度轨迹跟踪
13.
Last year, the military ruled Harry could not be sent to Iraq because publicity about the deployment could put him and his unit at risk.
去年,由于公开哈里的行踪将会使他和部队陷入危机,军方决定不会派遣哈里前往伊拉克.
14.
"They can't get on my track before noon."
"他们中午之前是找不到我的行踪的。”
15.
At this time of Jinan the street was almost empty.
在此时的济南，街上几乎不见行人踪迹。
16.
Object representing a fixed (but tracking) point within a text document.
表示文本文档中固定（但进行跟踪）点的对象。
17.
Forest tracked robot's control on tracking automatically planning stepped paths
林用履带机器人自动跟踪预定行走路径控制
18.
Camera auto-calibration by video sequence of single walking pedestrian in surveillance video
视频监控中基于行人跟踪的摄像机自动标定