burst into flame (或 flames)

suddenly begin to burn fiercely

突然開始熊熊燃燒

the grass looked ready to burst into flame.

草坪看來馬上就要燒成大火了。

go up in flames

be destroyed by fire

毀于大火

last night two factories went up in flames.

昨晚有兩家工廠毀于大火。

in flames

on fire; burning fiercely

著火；熊熊燃燒

the plane plunged to the ground in flames.

飛機燃燒著沖向地面。

old flame

(informal)a former lover

(非正式)舊情人

flame out

(of a jet engine) lose power through the extinction of the flame in the combustion chamber

（噴氣發動機因燃燒室熄火而）失靈