bit /bit/ n.［c］一点儿；一小块：He ate every bit of his dinner.他把饭吃得光光的。He took some paper and a few bits of wood and soon made a fire.他拿了一些纸和几块木头，不久就生了一堆火。a bit 有点儿，多少，在某种程度上：he came back looking a bit annoyed.他回来时脸上有点儿气恼的神色。bit by bit 一点点地，慢慢地：Bit by bit she closed the gap. 她一点一点缩短了距离。not a bit 一点也不：He doesn’t care a bit.他一点也不在乎。