plain negative imperative form of 気にする: never mind!; don't worry about it.

to have an interest in something or somebody, to be inclined towards doing something

to give off the sense that ~ / to feel that ~; to think that ~ / to be in the mood to ~

気を付ける: to be careful, to watch out; to take care

to light a fire / to set on fire; to ignite; to set fire to / (figuratively) to spark; to ignite (excitement, debate, controversy, etc.)

Misspelling of きをつけて. Since o is written as を when used as a particle.

to find fault

to learn, to acquire knowledge / to wear (clothes, accessories, etc.), to put on

(dance) choreographer

(dance) choreography