(a)   - (noun) a person who knows a lot about something

(a)   - (adjective) not able to hear well or at all

(a)   - (noun) shaking, often felt rather than heard or seen

(a)   - (verb) to show or tell one's feelings

(a)   - (noun) someone who changes what someone else is saying into another language

(a)   - (verb) to stop working

(a)   - (verb) to give someone hope or make someone do something

(a)   - (noun) something that someone is able to do well

(a)   - (noun) a show, often involving singing, dancing, acting, playing music

(a)   - (adjective) feeling bad about something you've done

(a)   - (adjective) powerful

(a)   - (noun) a covered space on the outside of a house or building

(a)   - (noun) a signal to do something

(a)   - (verb) to speak to someone who's done something wrong in an angry way