feigning ignorance; acting dumb
before one knows it; before one realises; without one's knowledge; without noticing
knowing no bounds; showing no signs of stopping or slowing down
before one knows it; before one realises; without one's knowledge; without noticing
before one knows it; before one realises; without one's knowledge; without noticing
fearless; daring; knowing no fear
innocent (e.g. child); pure (e.g. heart)