doubtless

1. ADV If you say that something is doubtless the case, you mean that you think it is probably or almost certainly the case. 大概; 近乎無(wú)疑地[ADV with cl/group]

He will doubtless try and persuade his colleagues to change their minds. 他大概會(huì)盡力說(shuō)服他的同事們改變主意。