What these people cannot grasp is that in tempo rubato in an Adagio, the left hand should go on playing in strict time.

这些人无法领会的是，慢板乐章中的弹性速度，左手得按拍子严格行进。

Chopin's music often employs tempo rubato and other devices that require exquisite control and coordination of the two hands.

萧邦的音乐常常使用节奏的不同步以及其它需要双手优雅控制与协调的元素。