/There's no sugar in the sugar bowl, but you may find a bit in the bag./
/If the ball had hit the window a bit harder, it would have broken it./
— Often used like an adverb.
/This sweater scratches a bit./
— Also used like an adjective before "less", "more".
/Janet thought she could lose weight by eating a bit less./
/"Have some more cake?" "Thanks. A bit more won't hurt me."/ — Often used adverbially after verbs in negative, interrogative, and conditional sentences, sometimes in the form "one bit".
/"Won't your father be angry?" "No, he won't care a bit."/
/Helen feels like crying, but I'll be surprised if she shows it one bit./
— Sometimes used with "little" for emphasis, also in the emphatic form "the least bit".
/"Wasn't Bob even a little bit sorry he forgot his date?" "No, Bob wasn't the least bit sorry."/