1. Other unfavorable characteristics include: bad communication skills, rudeness, ungratefulness and self-centeredness.

2. When we are successful, we can surely have many reasons for being grateful, we have one excuse to show ungratefulness if we fail.

3. At the very beginning of one day, I tell myself these words: I will meet these persons who loves intermeddle , and are ungratefulness, arrogant, cheating, jealous.

4. When we are successful, we can surely have many reasons for being grateful, but we have only one excuse to show ungratefulness if we fail.

5. Being overly eager to return favor is in fact an act of ungratefulness.