1. 无疑地：indubitable 不容置疑的 | indubitably 无疑地 | induce 劝诱

2. 无疑地; 确实地 (副)：indubitable 无疑的, 明白的, 确实的 (形) | indubitably 无疑地; 确实地 (副) | induce 劝诱; 导致; 促使 (动)

3. 无疑地/确实地：indubitable /无疑的/确实的/明白的/ | indubitably /无疑地/确实地/ | induced /感应的/感应/

adv

1. in a manner or to a degree that could not be doubted

e.g. it was immediately and indubitably apparent that I had interrupted a scene of lovers
his guilt was established beyond a shadow of a doubt

Synonym: beyond doubtbeyond a doubtbeyond a shadow of a doubt