to understand; to be convinced; to be satisfied
to lose one's energy; to be cowardly
internal organ; viscera; gut
coward; namby-pamby; wimp; weak-kneed person; spineless person
lungs; bottom of one's heart; vital point
good-for-nothing; spineless; gutless; spiritless; feckless; pluckless
good-for-nothing; spineless; gutless; spiritless; feckless; pluckless
cannot understand; doesn't make sense; unconvincing; hard to swallow; doesn't ring true
the six internal organs (large intestine, small intestine, gallbladder, stomach, san jiao, urinary bladder)