(cause worry)
61(a) tough nut to crack — a tough nut to crack phrase a problem or situation that is difficult to understand or deal with Manchester United will be a tough nut to crack. Thesaurus: something that is difficult or unpleasant to do or deal withsynonym people and things that… …
62(a) tough row to hoe — a tough/hard/row to hoe old fashioned phrase something that is very difficult to deal with or do Thesaurus: something that is difficult or unpleasant to do or deal withsynonym people and things that cause worry or problems …
63(a) hard row to hoe — a tough/hard/row to hoe old fashioned phrase something that is very difficult to deal with or do Thesaurus: something that is difficult or unpleasant to do or deal withsynonym people and things that cause worry or problems …
64(the) rigours of something — the rigours of something phrase the difficult and unpleasant aspects of a situation the rigours of a Himalayan winter Thesaurus: something that is difficult or unpleasant to do or deal withsynonym people and things that cause worry or… …
65(the) thin end of the wedge — the thin end of the wedge phrase something that is not important by itself but will have serious, usually bad, effects in the future If we bend the rules for him this time, it will be the thin end of the wedge. Thesaurus: small and minor… …
66a...too far — phrase something that comes after a series of other things of the same kind, and that causes trouble because it is too extreme The 15% surcharge on fuel will be seen as a tax too far. Thesaurus: people and things that cause worry or… …
67rough edges — phrase minor faults Despite the rough edges, we believe he’s a player of great potential. Thesaurus: small and minor problemssynonym faultssynonym people and things that cause worry or problemshyponym …
68scare story — UK US noun [countable] [singular scare story plural scare stories] something said or written that makes a situation seem worse than it really is Thesaurus: people and things that cause worry or problemshyponym …
69schtuck — UK [ʃtʊk] US noun [uncountable] british spoken trouble You are in big schtuck! Thesaurus: general problems and difficultiessynonym people and things that cause worry or problemshyponym * * * …
70teething problems — UK US noun [plural] minor problems that a new company, project, product etc may have in the beginning Thesaurus: small and minor problemssynonym people and things that cause worry or problemshyponym Variant: teething troubles * * * ˈteething… …