渠道: irrigation ditch, channel, means...
客户: client, customer...
交通: to be connected, traffic, transportation, communications, liaison...
抢救: to rescue...
更改: to alter...
管教: to discipline / to teach / to guarantee...
自理: to take care of oneself, to provide for oneself...
当之无愧: fully deserving, without any reservations (idiom); entirely worthy (of a title, honor etc)...
