1 to understand thoroughly

2 to see beyond the facade

3 to see through (sb)

1 to penetrate

2 to pass through

3 thoroughly

4 completely

5 transparent

6 to appear

7 to show

1 transparent

2 open (non-secretive)

1 to leak out

2 to divulge

3 to reveal

1 pure and limpid

2 (of a person) quick-witted

1 (idiom) no secret can be kept forever