verb
1
BAD : Short hair suits to her.
GOOD : Short hair suits her.
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If something looks good on someone, it suits them (WITHOUT to ): 'Do you think this colour suits me?' 'That blouse doesn't suit you.'
2
BAD : Red wine doesn't suit fish.
GOOD : Red wine doesn't go with fish.
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When you are talking about the effect of having two different things together, use go with (NOT suit ): 'I like the wallpaper, but it doesn't go with the carpet.' 'This jacket will go really well with your grey trousers.'