1 double

2 twice

3 simultaneous

4 holding two or more (official) posts at the same time

1 to hold concurrent posts

2 concurrent job

3 moonlighting

1 to contain

2 to hold

3 (of a person or style etc) reserved

4 restrained

5 (of words, writings) full of hidden meaning

6 implicit

7 veiled (criticism)

1 to deposit money

2 to save

3 savings

1 have both

1 incorporating diverse things (idiom)

2 eclectic

3 all-embracing

1 excelling both in morals and studies (idiom); top marks for studies and for behavior (at school)

2 a paragon of virtue and learning

1 having both integrity and talent (idiom)

1 to employ both kindness and severity (idiom)

1 talent in both military and civil field (idiom)