开始着手做某事 embark on sth ; get down to doing sth ; set about

开始着手做 get down to

开始、着手做某事 set out to do sth set about doing start to do/start dong sth ; fall to sth

开始〔着手〕做 start out

正式的开始着手做某事 embarked on set out to do / set about doing

开始/着手做某事 set about doing sth