cavity;  hollow;  void;  hollow (voice, smile, etc.);  blank (eyes, look, etc.);  vacant (expression, stare, etc.)
 empty;  void;  vain;  fruitless;  lifeless
 emptiness;  hollowness;  vacancy;  inanity;  pointlessness;  meaninglessness
 unpreparedness;  falsehood;  Chinese "Emptiness" constellation (one of the 28 mansions)
 falsehood;  untruth;  lie;  fallacy (logic)
 to attack the enemy in his unguarded moment
 bluff;  false show of power;  bold front
 fiction;  fabrication;  concoction;  fictitious;  fictional;  imaginary
 to bluff;  to act brave;  to put on a bold front
 virtual image;  false image;  pretense;  pretence
 to attack the enemy in his unguarded moment
 sense of emptiness;  empty feeling;  feeling of meaninglessness
 to attack the enemy in his unguarded moment
 ostentation;  show;  affectation
 feebleness;  weakness;  imbecility
 lethargy;  despondency;  mental numbness;  (physical) collapse;  prostration
 falsehood and truth;  fiction and fact
 to make a fool of someone
 begging Zen priest of the Fuke sect (wearing a sedge hood and playing a shakuhachi flute)
 ruins (of a building, town, etc.);  remains
 open-minded;  receptive;  free from preconceived ideas
 state of lethargy;  absolute bewilderment;  daze;  mental numbness
 feeling of emptiness;  sense of void
 empty threat;  bluff;  paper tiger
 false reputation;  empty title;  empty name
 false news;  canard;  fabricated news story;  misinformation;  fake news
 absentmindedness;  dreaminess;  simpleton;  fool
 with an open and calm mind;  with no preconceived notions;  without reserve;  frank;  candid
 full of wiles and tricks;  match between persons equal in shrewdness mobilizing all the tricks each can muster;  shrewdly avoiding the opponent's strong points and attacking its weaknesses
 Akasagarbha (bodhisattva);  the Receptacle of Void
 empty (useless) formalities
 Akasagarbha (bodhisattva)
 empty threat;  bluff;  paper tiger
 (male) emaciation due to sexual overindulgence
 ischemic heart disease;  ischaemic heart disease;  coronary artery disease;  coronary heart disease
 sky;  the air;  weather;  far-off place;  distant place;  state of mind;  feeling
 groundless rumor;  groundless rumour
 the sky;  the universe;  taixu (the great vacuity, in Chinese philosophy, the primordial substance that gives rise to qi)
 false rumor;  false rumour
 the sky;  the universe;  taixu (the great vacuity, in Chinese philosophy, the primordial substance that gives rise to qi)
 with an open and calm mind;  without reserve;  with utmost candor;  with no preconceived notions
 imaginary part (of complex number)
 false reporting;  fake news
 the soft sciences (social science, humanities, etc.)
 waxing and waning of the moon;  phase of the moon;  rising and falling (of fortune)
 misrepresentation;  misstatement
 the difference between truth and fiction in art being very subtle;  Art abides in a realm that is neither truth nor fiction
 cerebral ischemia;  brain ischemia
 transient ischemic attack;  TIA
 calm and free of ambition or care
 physically weak or sickly child
 false representation;  misrepresentation;  false labelling;  misstatement
 mishmash of truth and untruth;  mixture of fiction and fact
 falsehood;  syntactic expletive
 false rumor;  false rumour;  false reputation
 to become empty (hollow);  to relax from a tense situation into a vacant or absent minded state
 one's present existence;  this mortal frame;  this world;  cast-off cicada shell;  cicada
 full of wiles and tricks;  match between persons equal in shrewdness mobilizing all the tricks each can muster;  shrewdly avoiding the opponent's strong points and attacking its weaknesses
 kanji representing verb or adjective
 mishmash of truth and untruth;  mixture of fiction and fact
 in vain;  to no purpose;  fruitlessly
 match between persons equal in shrewdness
 match between persons equal in shrewdness
 constantly changing phase and being highly unpredictable
 rising above the trivia of life and remaining calm and selfless
 rising above the trivia of life and remaining calm and selfless
 to cast aside one's prejudices
 Chinese "Emptiness" constellation (one of the 28 mansions)
 unidentified craft said to have washed ashore in Ibaraki Prefecture during the Edo period (sometimes alleged to have been a UFO)
 hindsight is 20-20 (even for a fool)
 constantly changing phase and being highly unpredictable
 Glossogobius olivaceus (species of goby)