多余动作，劳而无获；
为了减少手指的多余动作带来的机械“噪声”手指应该尽量保持在琴键上。
And in order to reduce mechanical "noise" from extraneous finger motions, the fingers should be on the keys as much as possible.
我在写技术文章时注意句子中的动作时态和多余词。
I watch my action tense and wordiness in sentences when I am writing my technical diddley.
她想转动椅子和他面对面，可是又不敢做多余的动作。
She wanted to turn the chair around so as to face him, but was afraid of making any unnecessary movements.
他可以同工友聊天，但整个流程中没有多余的动作；他说，这些已经用秒表分析测试过。
He can chat with other line workers, but on the line there are no wasted movements; they have been analyzed and tested with a stopwatch, he said.
CloseRange是一款拙劣的第一人称射击游戏，游戏中除了近距离平射外所有多余的动作都被删除，导致现实血淋淋的爆头的结果。
Close Range was a parody of first-person shooter games in which all extraneous action was removed except point-blank discharges that result in realistic gory head explosions.
通过木人桩不停止的训练以至没有多余的动作。
Constant training on the mook jong patterns so that there is no wasted motion.
他像一头熊似的，行动缓慢而沉稳，在自己主宰的小天地里活动自如，没有一个动作是多余的。
Slow, deliberate, bearlike, he moved without wasted motion about the limited world of which he was the master.
不过，这个动作已经是多余的了。
不过，这个动作已经是多余的了。
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