Memory hook Resembles a horse jumping over something.

Combinations

Chinese	literally	English
人马	person horse	troops, forces ⓘthe number of people on horses

Practice

Chinese	literally	English
马好	horse good	The horse is well.
人马好	troops good	The troops are good.

[1] Deutsches Derby in Hamburg, "Das Blaue Band" by user NobbiP from http://commons.wikimedia.org/wiki/File:DR_1940_746_Das_Blaue_Band.jpg, flipped horizontal, rotated, detail, under license: Public domain