1.) key frame the key poses 1st. then the 2nd motions.
2.) try to keep the keyframes for the key movements of different relating joints on the same key frame. (Note down the key frame numbers).
3.) Only after the key poses are established, then work on the 2nd motion.
4.) little pauses in the animation. inbetween keyframes is good.
5.) What the character is thinking at each key pose.
6.) remember, there is follow through in animation. it is not one pose to the next, to the next.