短語(yǔ)詞組短語(yǔ)get down to doing sth 開(kāi)始做某事;開(kāi)始著手做某事;認(rèn)真處理某事;開(kāi)始認(rèn)真做某事get down to do sth 開(kāi)始認(rèn)真做某事to get down to sth 開(kāi)始認(rèn)真對(duì)待 返回 get down to sth