Constant effort to achieve something

Submarines operate <strong>below the surface</strong> of the seas.

Tuberculosis is a <strong>disease which spreads by contact</strong>.

A man who pays too much attention to his clothes and personal appearance

Policeman riding on motorcycles as guards to a VIP

A man of lax moral

Woman trained to help other women in child birth

One who has suddenly gained new wealth, power or prestige

A person who sneaks into a country