ph.

1. The old man flares up easily.
那老人动辄发火。

1. 突然烧起来;突然发怒：flame out 突然冒火焰 | flare up 突然烧起来;突然发怒 | flash out 突然说,突然表现出来

2. 突然燃烧起来;突然发怒：testify to说明,证实 | flare up突然燃烧起来;突然发怒 | queue up排队,排队等待

3. 突然闪耀,发火,爆发：16.bond market 债券市场 | 17.flare up 突然闪耀,发火,爆发 | 18.hike 提高,增加

verb

1. erupt or intensify suddenly

e.g. Unrest erupted in the country
Tempers flared at the meeting
The crowd irrupted into a burst of patriotism

Synonym: eruptirruptflarebreak openburst out

2. ignite quickly and suddenly, especially after having died down

e.g. the fire flared up and died down once again