out of countenance
  失麵子,難堪,侷促不安
  Coun·te·nance n.
  1. Appearance or expression of the face; look; aspect; mien.
  So spake the Son, and into terror changed
  His countenance.   --Milton.
  2. The face; the features.
     In countenance somewhat doth resemble you.   --Shak.
  3. Approving or encouraging aspect of face; hence, favor, good will, support; aid; encouragement.
     Thou hast made him . . . glad with thy countenance.   --Ps. xxi. 6.
     This is the magistrate's peculiar province, to give countenance to piety and virtue, and to rebuke vice.   --Atterbury.
  4. Superficial appearance; show; pretense. [Obs.]
     The election being done, he made countenance of great discontent thereat.   --Ascham.
  In countenance, in an assured condition or aspect; free from shame or dismay. “It puts the learned in countenance, and gives them a place among the fashionable part of mankind.” --Addison.
  Out of countenance, not bold or assured; confounded; abashed. “Their best friends were out of countenance, because they found that the imputations . . . were well grounded.” --Clarendon.
  To keep the countenance, to preserve a composed or natural look, undisturbed by passion or emotion. --Swift.