2. liken to   phrase   

原句: The author likens Jim and Della to the three Magi.

意思: to compare one thing or person to another and say they are similar 

例句: Life is often likened to a journey.

3. generosity   noun [uncountable]   

原句: That optimism begets generosity.

意思: the fact of being generous  (= willing to give sb money, gifts, time or kindness freely)

字源: late Middle English (denoting nobility of birth): from Latin generositas, from generosus ‘magnanimous’, from genus, gener- ‘stock, race’. Current senses date from the 17th cent. 

例句: He treated them with generosity and thoughtfulness.

4. fortunate   adjective   

原句: We're fortunate we could spare it.

意思: having or bringing an advantage, an opportunity, a piece of good luck, etc. 

字源: late Middle English: from Latin fortunatus, from fortuna, Fortuna, the name of a goddess personifying luck or chance.

例句: I have been fortunate enough to visit many parts of the world as a lecturer.

5. cheery   adjective   

原句: If we can make their Christmas brighter and more cheery.

意思: happy and cheerful 

例句: He left with a cheery ‘See you again soon’.