0 a ride on someone's back with your arms round the person's neck and your legs round their waist -- 背，馱
I gave her a piggyback ride. 我背著她。
1 on someone's back, or on the back of something -- 在（某人的）背上；在（某物的）頂上
2 to use something that someone else has made or done in order to get an advantage -- 沾光，搭便車
Everyone wants to piggyback on the phenomenal success of the TV series. 每個人都想借這部電視連續劇大獲成功的機會沾點光。
He himself piggybacked the trades for his own benefit, and the volume led one of his colleagues to get suspicious.
Such users are often unaware that they are piggybacking, and the subscriber has not noticed.
Memes that fit within a successful memeplex may gain acceptance by piggybacking on the success of the memeplex.
Each of the two packets contains the permanent and temporary keys of the sending node which are piggybacked on top of normal data packets.
The aim of wardriving is to collect information about wireless access points (not to be confused with piggybacking).
Regardless, piggybacking is difficult to detect unless the user can be viewed by others using a computer under suspicious circumstances.
The process of sending data along with the acknowledgment is called piggybacking.
The original usages piggybacked on the concept of connected knowing, which emphasized the importance of context in the development of knowledge for women.
