absorb sb in doing

absorb sb in doing sb engage sb in doing啥意思 sb have trouble (in) doing absorb oneself in join sb in doing还是join sb doing join sb in doing sth 是什么意思? sb.spend time(in)doing sth. sb in doing sth 是there is nothing wrong with sb in doing sth help sb doing sthhelp sb in doing sth 这两种形式都有吗, Help sb in doing sth中的in可以省略吗?. assist sb in doing sth中in可否省略? sb spend time mony in doing sth还有be finish doing 为啥要用doing... 可不可以说join sb.in doing sth.有没有例句? catch sb. in the (very) act of doing 是什么意思? 有没有sb.be succeeded in doing sth.的词组? sb.is at/in somewhere doing sth.这个句型是什么? 有没有这个句式 sb take sometime in doing sth 翻译to aid and sb.in doing sth.