n. a member of the ninja who were trained in martial arts and hired for espionage or sabotage or assassinations; a person skilled in ninjutsu
n. a class of 14th century Japanese who were trained in martial arts and were hired for espionage and assassinations
n. （受过偷窃技术专门训练被雇作间谍或刺客的）日本武士
1. The ninja moved silently through the dark forest.
忍者悄无声息地穿过黑暗的森林。
2. In the video game, you can choose to play as a ninja.
在这个视频游戏中，你可以选择扮演一个忍者。
3. The movie features an incredible ninja who can jump very high.
这部电影讲述了一位能跳得很高的惊人忍者。