Question

stifle 【stifle】v.使窒息When they got in the boiler room they were almost stifled by the heat.进入汽锅室时，他们几乎热得透不过气来。

Accepted Answer

['staɪfl] 
stifleimpair the respiration of or obstruct the air passage of
To stifle is to cut off, hold back, or smother. You may stifle your cough if you don't want to interrupt a lecture or you may stifle the competition if you fear losing.
The verb stifle means “to choke, suffocate, drown.” It can describe a claustrophobic feeling, like getting smothered by kisses from your great aunt. At its most extreme, stifle means to kill by cutting off respiration. The metaphoric sense of stifle didn’t develop until well after the word was first recorded as a verb: "I can always tell — but never let on for fear of damaging his ego — that my boyfriend attempts to stifle tears during sappy parts of movies; his eyes well up at the corners and he’ll sniffle uncontrollably, claiming allergies."
All forms of 'stifle' will appear on average once every 535 pages.stiflestifledstiflerstifling

Front	stifle
Pron	['staɪfl]
Back	【stifle】 v.使窒息 When they got in the boiler room they were almost stifled by the heat. 进入汽锅室时，他们几乎热得透不过气来。
Vocab	stifleimpair the respiration of or obstruct the air passage of To stifle is to cut off, hold back, or smother. You may stifle your cough if you don't want to interrupt a lecture or you may stifle the competition if you fear losing. The verb stifle means “to choke, suffocate, drown.” It can describe a claustrophobic feeling, like getting smothered by kisses from your great aunt. At its most extreme, stifle means to kill by cutting off respiration. The metaphoric sense of stifle didn’t develop until well after the word was first recorded as a verb: "I can always tell — but never let on for fear of damaging his ego — that my boyfriend attempts to stifle tears during sappy parts of movies; his eyes well up at the corners and he’ll sniffle uncontrollably, claiming allergies." All forms of 'stifle' will appear on average once every 535 pages. stifle stifled stifler stifling

Stifle Fear Means Staɪfl V.使窒息 Boiler Room Stifled