take a hand in

参加；帮助

tail-light (US `tail-lamp), tail-spin, tailback, tailcoat, tailing-off, tailless, tailor, tailor-made, tailpiece, tailpipe, tailplane, taint, tainted, taintless, take, take (sth) over, take ...for granted, take a chance, take a dislike to, take a free ride, take a liking to, take aback, take action, take advantage of, take advice, take after, take after sb, take against sb/sth, take apart, take away, take care, take care of, take charge, take charge of, take cover, take delight in, take down, take effect, take for, take for granted,