adv.無(wú)疑地；確定地

I shall doubtless see you tomorrow. 我大概明天會(huì)見(jiàn)到你。

It will doubtless rain on sports day. 開(kāi)運(yùn)動(dòng)會(huì)那天多半會(huì)下雨。

John will doubtless come early as he always does. 約翰無(wú)疑會(huì)像平時(shí)一樣很早就來(lái)。

Doubtless he'll be bringing his guitar, as usual. 他很可能跟平常一樣會(huì)帶吉他來(lái)。

It would doubtlessly do Bertha no harm. 這對(duì)伯莎肯定是無(wú)害的。

He will doubtless arrive by the next train. 無(wú)疑他會(huì)坐下趟火車(chē)到的。