English translation of '发作'

动

1. (= 突发)
   ⇒ 激光唱机的老毛病发作了。 (Jīguāng chàngjī de lǎomáobìng fāzuò le.) The CD player is playing up again.
   ⇒ 爷爷的心脏病又发作了。 (Yéye de xīnzàngbìng yòu fāzuò le.) Grandpa had another heart attack.
2. (= 发脾气) flare up
   ⇒ 他爱为小事发作。 (Tā ài wèi xiǎoshì fāzuò.) He is liable to flare up at trivial things.