moodily
adv. feeling unhappy or angry 愤愤地；不快地

musty
adj. with an unpleasant smell

mysterious
adj. 神秘的

passable
adj. good enough to be accepted; not bad

passkey
n. 万能钥匙

pistol
n. 手枪

risk
v. 冒险

romantic
adj. 浪漫的

shrilly
adv. shouting in a sharp or high-pitched voice

sill
n. 窗台

slip
v. to give sb. sth. quietly and secretly 悄悄地递过去

sloppy
adj. careless about clothes 衣着随便的

spy
n. a secret agent 间谍

stammer
v. to speak with difficulty, repeating words or sounds because one is nervous or afraid 结结巴巴地说

stare
v. to look with wide-open eyes because of fear

stiffly
adv. without being able to move one's body 僵硬地

swiftly
adv. fast; rapidly

thrill
n. a sudden strong feeling of great excitement and pleasure

tray
n. 盘子

twist
v. 扭曲，弯曲

uncork
v. to open a bottle by removing the cork 开瓶塞

wheeze
v. to breathe noisily 喘息

wheezily
adv. （说话）呼哧呼哧响地