名词

1. 惰性;迟钝;怠惰
If you have a feeling of inertia, you feel very lazy and unwilling to move or be active.

2. 惯性
Inertia is the tendency of a physical object to remain still or to continue moving, unless a force is applied to it.

1. a disposition to remain inactive or inert

e.g. he had to overcome his inertia and get back to work

Synonym: inactivenessinactivity

2. (physics) the tendency of a body to maintain its state of rest or uniform motion unless acted upon by an external force