动力

动力	dòng lì	motive power / (fig.) motivation; impetus
动	dòng	(of sth) to move / to set in movement / to displace / to touch / to make use of / to stir (emotions) / to alter / abbr. for 动词, verb
力	Lì	surname Li
力	lì	power / force / strength / ability / strenuously