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COMPOUNDS
bặm trợn 
audacious
ghê rợn shudder with horror
rùng rợn dreadful, terrifying, ghastly, horrifying
rờn rợn to shiver, tremble, quiver, shake
rợn frightened, scared
rợn tóc gáy to horripilate, make
thấy rờn rợn to shiver
tráo trợn to stare (at), goggle (at)
trắng trợn obviously
trờn trợn be a little frightened, scared
trợn to glower, open wide (eyes)
trợn mắt to open one’s eye, have one’s eyes open
trợn mắt lên to become wide-eyed
trợn tròng wide-eyed
trợn trạo have eyes wide-open (in anger or agony)
bặm trợn audacious ghê rợn shudder with horror rùng rợn dreadful, terrifying, ghastly, horrifying rờn rợn to shiver, tremble, quiver, shake rợn frightened, scared rợn tóc gáy to horripilate, make thấy rờn rợn to shiver tráo trợn to stare (at), goggle (at) trắng trợn obviously trờn trợn be a little frightened, scared trợn to glower, open wide (eyes) trợn mắt to open one’s eye, have one’s eyes open trợn mắt lên to become wide-eyed trợn tròng wide-eyed trợn trạo have eyes wide-open (in anger or agony)