chaff
/tʃɑ:f; ?@ tʃæf; tʃæf/ n[U]
1 outer covering of corn, etc, separated from the grain by threshing or winnowing 谷物的皮谷. Cf 参看 husk.
2 hay or straw cut up as food for cattle （切碎作饲料用的）乾草, 草料.
3 (idm 习语) separate the wheat from the chaff => separate2.
chaff / tʃɑ:f; ?@ tʃæf; tʃæf/ v [Tn, Tn.pr]
~ sb (about sth) (dated or fml 旧或文) tease sb in a good-natured way （善意地）戏弄某人, 开某人的玩笑
They chaffed him about his love-life. 他们拿他的爱情生活开玩笑. chaff, n [U]
good-natured teasing or joking （善意的）戏弄或玩笑.