Russian ⇄ Abkhaz Afrikaans Arabic Bashkir Chinese Czech Danish Dutch English Esperanto Estonian Finnish French Georgian German Greek Hebrew Hungarian Italian Japanese Kalmyk Khmer Latvian Norwegian Bokmål Polish Portuguese Spanish Swedish Tajik Turkish Ukrainian Vietnamese

сомневаться v stresses
gen.	demur; mistrust; stickle; vibrate; misdoubt; stumble at; disbelieve; boggle; hesitate; waffle; wonder; dispute (в чём-либо); stumble; swing in the balance; be in two minds (Aly19); give no credence (Valeriy Morkva); have some doubts (I have some doubts about the mayor's new tax policy. ART Vancouver); jib at; make doubt; second-guess (to criticize or correct, often by hindsight, by presuming to have a better idea, method, etc. marina_aid); not to know if one is coming or going; have trouble (не решаться что-то сделать pivoine); question (Alexander Demidov); debate (I have always debated whether to write this post or not. Moscowtran); have doubt; scruple; go back and forth on an issue (jouris-t); be of two minds (jouris-t); distrust; be in a state of uncertainty; jib (в чём-либо); query (Andrey Truhachev); be in doubt; be in two minds (в чём-либо – about something Anglophile); be reluctant (be reluctant to do something-сомневаться в том, что что-либо следует делать Tanya Gesse); challenge; anticipate; question; doubt (with в + prepl. or a dependent clause); entertain doubts; be hazy about... (в...); hazy about... (в...)
Gruzovik	doubt; worry
Игорь Миг	be skittish about; be a fence-sitter
busin.	dispute
dipl.	dispute (в чём-либо)
fig.	have doubts (Damirules)
idiom.	be on the fence (I think this is perfect for trying a smartwatch experience and if you are on the fence, go for it. 4uzhoj)
inf.	be hazy about
IT	suspect
Makarov.	hang in the balance; be in doubt; call in question; call into doubt; call into question; be hesitating; be in the balance; be in two minds (когда речь идёт о практических делах); boggle about; boggle at; boggle over; doubt one's own senses; have one's doubts about (в); have scruples; jib at (в чём-либо); tremble in the balance
math.	be doubtful of
obs.	diffide; dubitancy; scepticize (во всём)
slang	hedge; hedge off; hazy about be; scully (глагол произошёл от фамилии главной героини телесериала "Секретные материалы" Даны Скалли sixthson); be not sure (Damirules)
uncom.	dubitate
сомневаясь v
gen.	doubtingly
сомневаюсь! v
gen.	I wonder!
сомневаясь v
gen.	hesitantly
Сомневаюсь v
gen.	I doubt it (Is that going to happen? I doubt it. ART Vancouver)
сомневаюсь v
gen.	my ass

сомневаться: 392 phrases in 28 subjects

American usage, not spelling	1
Business	3
Chess	1
Cliche / convention	2
Contextual meaning	1
Diplomacy	7
Economy	1
General	209
Idiomatic	9
Informal	17
Insurance	1
Ironical	1
Law	1
Makarov	101
Mass media	2
Mathematics	6
North American USA and Canada	1
Obsolete / dated	1
Philosophy	2
Production	1
Proverb	7
Quotes and aphorisms	1
Rhetoric	3
Scientific	4
Slang	5
Telecommunications	2
Transport	1
Vulgar	1