flare/ flεər /

1.noun [c] 
(signal) 信号弹

2.vi.[fire] [ match+] 
火焰突然变旺

3.vi.[fighting] [ violence] [ trouble+] 
(also: flare up) 突然爆发

4.vi.[tempers+] 
突然发怒

5.vi.[nostrils+] 
鼓起

6.n pl
flares (trousers) 喇叭裤