feed into 提供原料
fill in (for sb. ) 临时替换,补缺
flare up 突然发怒,突然烧起来
give sb. sth. away 出卖,泄漏
give oneself up (to sb. ) 投案,自首
go along with 相处得----,赞同,同意
go for 适用,喜欢,支持
go under 下沉,失败
hang back (from sth. ) 踌躇,犹豫
head for 向------前进
impose on 将-----强加于某人
knock out 击倒,击晕
let loose 释放,放开
participate in 参加
pass off (药效,疼痛等)停止
preside over 主持,长官
prey on 捕获,捕食