sinister treacherous peril的区别

求大神！！最好是英文解释！

sinister: adj. 1. threatening or foreshadowing evil or tragic developments 2. stemming from evil characteristics or forces; wicked or dishonorable 3. (old) on or starting from the wearer's left

treacherous: adj. 1. dangerously unstable and unpredictable 2. tending to betray

peril: n. 1. a source of danger; a possibility of incurring loss or misfortune2. a state of danger involving risk3. a venture undertaken without regard to possible loss or injury
v. 1. pose a threat to; present a danger to2. put in a dangerous, disadvantageous, or difficult position

灵格斯 有道 都还不错。 再看看别人怎么说的。