Words

To change dirty, stuffy air into fresh air.

An extremely worrying and painful situation.

An act of having a friendly, agreeable conversation; or such a conversation.

To have a friendly, agreeable conversation.

An act of welcoming a visitor warmly and treating him/her in a sincere manner.

To welcome a visitor warmly and treat him/her in a sincere manner.

The return of a government to its capital after it has been forced to abandon that capital temporarily due to war, etc., and has moved to a different place.

For a government to return to the capital after having abandoned its capital temporarily due to a war, etc., and moved to a different place.

A state of being extremely happy and delightful; or a source of such a happiness and delight.

A street where there are many bars or gambling houses, etc.

To feel extremely happy while enjoying doing something.

A state in which one's dream or expectation falls to pieces; or a feeling of agony that one has in such a situation.

An area of the body that is affected by illness or where a wound forms.

An act of giving back money that has been paid.

To give back money that has been paid.

An act of calculating and expressing a number in a different unit.

For a number to be calculated and expressed in a different unit.

A table that makes conversion easier by comparing and listing quantities in differrent units of measurement.

To calculate and express a number in a different unit.

A vain thought that is unlikely or impossible to come true in reality.