Vocabulary problems

English as a Second Language English Vocabulary, Grammar and Idioms
1

Two anomalies regarding her character are apparent: she is unfailingly____yet bursting with ambition, and she is truly___but unable to evoke reciprocal warmth in those with whom she works.
A)aspiring…generous
B)mercenary…impartial
C)impulsive…resolute
D)persistent…reserved
E)humble…compassionate

One biggest problem is that I don’t understand what the black parts mean.

2

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…she is always humble yet full of ambition, and she is truly compassionate but not able to create mutual compassion in her co-workers.

3

Thanks for the explaination, Mr. Micawber. I get it now.