机动
jī dòng · HSK 7
adaptable
🚜 机动 = 机 machine + 动 move: something with its own motor; also 'flexible, adaptable'
机 is the machine/engine part (as in 飞机 plane); 动 means to move. Together: powered by a motor, motorized. The figurative sense extends to being able to move on your own terms, hence flexible or adaptable.
动 — force 力 + heavy/重 (simplified from 動)
The traditional form 動 combines 重 (heavy) as the phonetic with 力 (force/strength) as the semantic, suggesting the effort needed to move something heavy. The simplified form 动 replaces 重 with 云, keeping 力 to convey action and motion.